AS27 University of Maryland

UMDNET

Company Website

IPv4 Addresses: 133,632

Number of Peers: 2

Number of Prefixes: 11

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois

AS27 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Not Disclosed

Website:

http://www.mdren.net/

AS27 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

dnsadmin@umd.edu

abuse@umd.edu

Abuse Contacts:

abuse@umd.edu

Address:

Office of Information Technology,

Patuxent Building,

College Park,

MD,

20742,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
128.8.0.0/16	University of Maryland	128.8.0.0/16	ARIN
129.2.0.0/16	University of Maryland	129.2.0.0/16	ARIN
192.54.94.0/23	University of Maryland	192.54.94.0/23	ARIN
192.54.96.0/21	University of Maryland	192.54.96.0/21	ARIN
192.54.100.0/22	University of Maryland	192.54.96.0/21	ARIN

Announced Prefix	Description	Parent Prefix	RIR
2605:880::/48	University of Maryland	2605:880::/32	ARIN
2605:880:1::/48	University of Maryland	2605:880::/32	ARIN
2605:880:10::/48	University of Maryland	2605:880::/32	ARIN
2605:880:20::/48	University of Maryland	2605:880::/32	ARIN
2605:880:22::/48	University of Maryland	2605:880::/32	ARIN
2605:880:30::/48	University of Maryland	2605:880::/32	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS10886	MAX-GIGAPOP	University of Maryland

Country	ASN	Name	Description	IPv4
	AS10886	MAX-GIGAPOP	University of Maryland

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS10886	MAX-GIGAPOP	University of Maryland

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS10886	MAX-GIGAPOP	University of Maryland

IPv6 Upstream Graph

#
# 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:       27
ASName:         UMDNET
ASHandle:       AS27
RegDate:        1984-08-28
Updated:        2014-02-18    
Ref:            https://rdap.arin.net/registry/autnum/27


OrgName:        University of Maryland
OrgId:          UNIVER-262-Z
Address:        Office of Information Technology
Address:        Patuxent Building
City:           College Park
StateProv:      MD
PostalCode:     20742
Country:        US
RegDate:        2010-01-06
Updated:        2010-01-06
Ref:            https://rdap.arin.net/registry/entity/UNIVER-262-Z


OrgTechHandle: UM-ORG-ARIN
OrgTechName:   UMD DNS Admin Role Account
OrgTechPhone:  +1-301-405-9955 
OrgTechEmail:  dnsadmin@umd.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/UM-ORG-ARIN

OrgAbuseHandle: UARA-ARIN
OrgAbuseName:   UMD Abuse Role Account
OrgAbusePhone:  +1-301-405-8787 
OrgAbuseEmail:  abuse@umd.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UARA-ARIN

RAbuseHandle: UM-ORG-ARIN
RAbuseName:   UMD DNS Admin Role Account
RAbusePhone:  +1-301-405-9955 
RAbuseEmail:  dnsadmin@umd.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/UM-ORG-ARIN

RNOCHandle: UM-ORG-ARIN
RNOCName:   UMD DNS Admin Role Account
RNOCPhone:  +1-301-405-9955 
RNOCEmail:  dnsadmin@umd.edu
RNOCRef:    https://rdap.arin.net/registry/entity/UM-ORG-ARIN

RTechHandle: UM-ORG-ARIN
RTechName:   UMD DNS Admin Role Account
RTechPhone:  +1-301-405-9955 
RTechEmail:  dnsadmin@umd.edu
RTechRef:    https://rdap.arin.net/registry/entity/UM-ORG-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

AS27 University of Maryland

UMDNET

AS27 Summary

Regional Registry:

Allocation Status:

Traffic Ratio:

Website:

AS27 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

Abuse Contacts:

Address:

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