IPv4 Addresses: 1,838,848
Number of Peers: 20
Number of Prefixes: 107
ASN Allocated: Assigned
AS3 Summary
Regional Registry:
IANAAllocation Status:
AssignedTraffic Ratio:
Mostly InboundWebsite:
http://mit.eduAS3 Network
IPv4 Prefixes:
99IPv4 Peers:
16IPv4 Upstreams:
8IPv6 Prefixes:
8IPv6 Peers:
4IPv6 Upstreams:
3Contacts
Email Contacts:
arin-mit-security@mit.edu
obrown@mit.edu
noc@mit.edu
mgomes@mit.edu
admin@silis.com
Abuse Contacts:
arin-mit-security@mit.edu
Address:
Room W92-167,
77 Massachusetts Avenue,
Cambridge,
MA,
02139-4307,
US
| Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
|---|---|---|---|---|---|
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18.0.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.1.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.1.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.2.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.3.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.4.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.5.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.6.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.7.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.8.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.9.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.10.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.11.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.12.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.13.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.14.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.15.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.16.0/24 | Massachusetts Institute of Technology | 17.0.0.0/8 | ARIN | |
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18.3.17.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.18.0/24 | Massachusetts Institute of Technology | 23.192.0.0/11 | ARIN | |
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18.3.19.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.20.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.21.0/24 | Massachusetts Institute of Technology | 17.0.0.0/8 | ARIN | |
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18.3.22.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.23.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.28.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.67.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.69.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.90.0/24 | Massachusetts Institute of Technology | 23.252.66.0/23 | RIPE | |
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18.3.103.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.104.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.105.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.106.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.108.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.109.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.111.0/24 | Massachusetts Institute of Technology | 23.32.0.0/11 | ARIN | |
|
18.3.116.0/24 | - | |||
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18.3.122.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.151.0/24 | Massachusetts Institute of Technology | 24.119.0.0/16 | ARIN | |
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18.3.152.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.153.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.154.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.155.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.3.156.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.4.0.0/16 | Massachusetts Institute of Technology | 14.139.0.0/16 | APNIC | |
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18.5.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.6.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.23.0/24 | Massachusetts Institute of Technology | 14.200.0.0/14 | APNIC | |
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18.7.32.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.34.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.39.0/24 | Massachusetts Institute of Technology | 23.192.0.0/11 | ARIN | |
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18.7.40.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.54.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.80.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.82.0/24 | Massachusetts Institute of Technology | 14.139.0.0/16 | APNIC | |
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18.7.84.0/24 | Massachusetts Institute of Technology | 24.116.0.0/15 | ARIN | |
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18.7.102.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.108.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.117.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.118.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.119.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.7.120.0/24 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.8.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.9.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.10.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.11.0.0/16 | Massachusetts Institute of Technology | 17.0.0.0/8 | ARIN | |
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18.12.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.13.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.14.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.15.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.16.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.17.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.18.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.22.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.23.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.25.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.26.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.27.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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18.29.0.0/16 | Massachusetts Institute of Technology | 23.192.0.0/11 | ARIN | |
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18.31.0.0/16 | Massachusetts Institute of Technology | 18.0.0.0/11 | ARIN | |
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23.150.88.0/24 | D and B Broadband, LLC | 23.150.88.0/24 | ARIN | |
|
45.170.62.0/24 | BYTE SHOP CONVENIENCIA | - | ||
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128.30.0.0/15 | Various Registries (Maintained by ARIN) | 128.30.0.0/16 | ARIN | |
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128.52.0.0/16 | Massachusetts Institute of Technology | 128.52.0.0/16 | ARIN | |
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168.235.162.0/24 | Skynet | 168.235.160.0/20 | ARIN | |
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168.235.163.0/24 | Skynet | 168.235.160.0/20 | ARIN | |
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168.235.165.0/24 | Skynet | 168.235.160.0/20 | ARIN | |
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168.235.172.0/24 | Skynet | 168.235.160.0/20 | ARIN | |
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190.83.24.0/24 | Careassunet Informatica Ltda - ME | - | ||
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190.83.25.0/24 | Careassunet Informatica Ltda - ME | - | ||
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190.83.26.0/24 | Careassunet Informatica Ltda - ME | - | ||
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190.83.27.0/24 | Careassunet Informatica Ltda - ME | 190.83.24.0/22 | Lacnic | |
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192.52.61.0/24 | Massachusetts Institute of Technology | 192.52.61.0/24 | ARIN | |
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192.52.62.0/24 | Massachusetts Institute of Technology | 192.52.62.0/24 | ARIN | |
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192.52.63.0/24 | Massachusetts Institute of Technology | 192.52.63.0/24 | ARIN | |
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192.52.64.0/24 | Massachusetts Institute of Technology | 192.52.64.0/24 | ARIN | |
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192.52.65.0/24 | Massachusetts Institute of Technology | 192.52.65.0/24 | ARIN |
| Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
|---|---|---|---|---|---|
|
|
2603:4000::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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2603:4001::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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2603:4007::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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2603:4008::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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2603:4009::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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2603:400a::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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2603:4010::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN | |
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|
2603:4011::/32 | Massachusetts Institute of Technology | 2603:4000::/24 | ARIN |
| Country | ASN | Name | Description | IPv6 |
|---|---|---|---|---|
|
AS293 | ESNET | ESnet | |
|
AS400980 | DANDBFIBER | D and B Broadband, LLC | |
|
AS10578 | GIGAPOP-NE | Harvard University | |
|
AS7015 | COMCAST-7015 | Comcast Cable Communications, LLC | |
|
AS174 | COGENT-174 | Cogent Communications | |
|
AS6939 | HURRICANE | Hurricane Electric LLC | |
|
AS3356 | LEVEL3 | Level 3 Parent, LLC | |
|
AS268142 | MAXXTELECOM LTDA | MAXXTELECOM LTDA | |
|
AS22608 | OKPUD-WA | Public Utility District No. 1 of Okanogan County | |
|
AS16713 | NOANET-WA | Northwest Open Access Network | |
|
AS63483 | SKYNET-AS-1 | Skynet | |
|
AS265398 | nobre telecom ltda | nobre telecom ltda | |
|
AS52640 | USCM - COMUNICACAO MULTIMIDIA LTDA. | USCM - COMUNICACAO MULTIMIDIA LTDA. | |
|
AS262706 | Ultranet Telecomunicai¿½i¿½es Ltda | Ultranet Telecomunicai¿½i¿½es Ltda | |
|
AS54755 | DWW-AS | Desert Winds Wireless Inc | |
|
AS270336 | Careassunet Informatica Ltda - ME | Careassunet Informatica Ltda - ME |
| Country | ASN | Name | Description | IPv6 |
|---|---|---|---|---|
|
AS3356 | LEVEL3 | Level 3 Parent, LLC | |
|
AS174 | COGENT-174 | Cogent Communications | |
|
AS6939 | HURRICANE | Hurricane Electric LLC | |
|
AS7015 | COMCAST-7015 | Comcast Cable Communications, LLC | |
|
AS270336 | Careassunet Informatica Ltda - ME | Careassunet Informatica Ltda - ME | |
|
AS268142 | MAXXTELECOM LTDA | MAXXTELECOM LTDA | |
|
AS63483 | SKYNET-AS-1 | Skynet | |
|
AS400980 | DANDBFIBER | D and B Broadband, LLC |
IPv4 Upstream Graph
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| Country | ASN | Name | Description | IPv4 |
|---|---|---|---|---|
|
AS3356 | LEVEL3 | Level 3 Parent, LLC | |
|
AS174 | COGENT-174 | Cogent Communications | |
|
AS6939 | HURRICANE | Hurricane Electric LLC |
IPv6 Upstream Graph
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# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. # ASNumber: 3 ASName: MIT-GATEWAYS ASHandle: AS3 RegDate: Updated: 2010-09-27 Ref: https://rdap.arin.net/registry/autnum/3 OrgName: Massachusetts Institute of Technology OrgId: MIT-2 Address: Room W92-167 Address: 77 Massachusetts Avenue City: Cambridge StateProv: MA PostalCode: 02139-4307 Country: US RegDate: Updated: 2024-11-25 Ref: https://rdap.arin.net/registry/entity/MIT-2 OrgAbuseHandle: MNS18-ARIN OrgAbuseName: MIT Network Security OrgAbusePhone: +1-617-324-1782 OrgAbuseEmail: arin-mit-security@mit.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN OrgTechHandle: BROWN2958-ARIN OrgTechName: Brown, Olu OrgTechPhone: +1-617-258-7870 OrgTechEmail: obrown@mit.edu OrgTechRef: https://rdap.arin.net/registry/entity/BROWN2958-ARIN OrgDNSHandle: MNO78-ARIN OrgDNSName: MIT Network Operations OrgDNSPhone: +1-617-253-8400 OrgDNSEmail: noc@mit.edu OrgDNSRef: https://rdap.arin.net/registry/entity/MNO78-ARIN OrgNOCHandle: MNO78-ARIN OrgNOCName: MIT Network Operations OrgNOCPhone: +1-617-253-8400 OrgNOCEmail: noc@mit.edu OrgNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN OrgTechHandle: GOMES41-ARIN OrgTechName: Gomes, Marco OrgTechPhone: +1-617-253-0336 OrgTechEmail: mgomes@mit.edu OrgTechRef: https://rdap.arin.net/registry/entity/GOMES41-ARIN OrgRoutingHandle: MNO78-ARIN OrgRoutingName: MIT Network Operations OrgRoutingPhone: +1-617-253-8400 OrgRoutingEmail: noc@mit.edu OrgRoutingRef: https://rdap.arin.net/registry/entity/MNO78-ARIN RNOCHandle: MNO78-ARIN RNOCName: MIT Network Operations RNOCPhone: +1-617-253-8400 RNOCEmail: noc@mit.edu RNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN RTechHandle: SILIS-ARIN RTechName: Silis, Mark RTechPhone: +1-415-251-2533 RTechEmail: admin@silis.com RTechRef: https://rdap.arin.net/registry/entity/SILIS-ARIN RAbuseHandle: MNS18-ARIN RAbuseName: MIT Network Security RAbusePhone: +1-617-324-1782 RAbuseEmail: arin-mit-security@mit.edu RAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. #
| Country | IX | Name | IPv4 | IPv6 | Port Speed |
|---|