AS27321 Internet Systems Consortium, Inc.

ISC-F-AS

Company Website

IPv4 Addresses: 1,792

Number of Peers: 4

Number of Prefixes: 8

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois
IX

AS27321 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Not Disclosed

Internet Exchanges:

4

Website:

https://www.isc.org/

AS27321 Network

IPv4 Prefixes:

7

IPv4 Peers:

2

IPv4 Upstreams:

2

IPv6 Prefixes:

1

IPv6 Peers:

2

IPv6 Upstreams:

2

Contacts

Email Contacts:

abuse@isc.org

rick@cello.net

ray@isc.org

jeff@isc.org

noc@isc.org

Abuse Contacts:

abuse@isc.org

Address:

PO Box 360,

Newmarket,

NH,

03857,

US

IPv4 Prefixes
IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	149.20.2.0/24	Internet Systems Consortium, Inc.		149.20.0.0/18	ARIN
	149.20.3.0/24	Internet Systems Consortium, Inc.		149.20.0.0/18	ARIN
	149.20.4.0/24	Internet Systems Consortium, Inc.		149.20.0.0/18	ARIN
	149.20.57.0/24	Internet Systems Consortium, Inc.		154.3.0.0/16	ARIN
	149.20.66.0/24	Internet Systems Consortium, Inc.		149.20.64.0/22	ARIN
	192.158.248.0/24	Internet Systems Consortium, Inc.		192.158.248.0/22	ARIN
	192.158.249.0/24	Internet Systems Consortium, Inc.		192.158.248.0/22	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:500:6b::/48	Internet Systems Consortium, Inc.		2001:500:6a::/48	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS6939	HURRICANE	Hurricane Electric LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

Country	ASN	Name	Description	IPv4
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS6939	HURRICANE	Hurricane Electric LLC

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS6939	HURRICANE	Hurricane Electric LLC

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS6939	HURRICANE	Hurricane Electric LLC

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:       27318 - 27322
ASName:         ISC-F-AS
ASHandle:       AS27318
RegDate:        2003-02-12
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/27318


OrgName:        Internet Systems Consortium, Inc.
OrgId:          ISC-94
Address:        PO Box 360
City:           Newmarket
StateProv:      NH
PostalCode:     03857
Country:        US
RegDate:        2004-01-09
Updated:        2024-01-03
Ref:            https://rdap.arin.net/registry/entity/ISC-94


OrgAbuseHandle: ISCAT-ARIN
OrgAbuseName:   Internet Systems Consortium Abuse Team
OrgAbusePhone:  +1-650-423-1300 
OrgAbuseEmail:  abuse@isc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISCAT-ARIN

OrgTechHandle: RA15-ARIN
OrgTechName:   Adams, Rick 
OrgTechPhone:  +1-703-255-5527 
OrgTechEmail:  rick@cello.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RA15-ARIN

OrgTechHandle: BELLI82-ARIN
OrgTechName:   Bellis, Ray 
OrgTechPhone:  +1-650-423-1300 
OrgTechEmail:  ray@isc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/BELLI82-ARIN

OrgTechHandle: JSO127-ARIN
OrgTechName:   Osborn, Jeffrey Scott
OrgTechPhone:  +1-650-423-1449 
OrgTechEmail:  jeff@isc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/JSO127-ARIN

OrgNOCHandle: ISCN-ARIN
OrgNOCName:   Internet Systems Consortium NOC
OrgNOCPhone:  +1-650-423-1310 
OrgNOCEmail:  noc@isc.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/ISCN-ARIN

OrgTechHandle: ISCN-ARIN
OrgTechName:   Internet Systems Consortium NOC
OrgTechPhone:  +1-650-423-1310 
OrgTechEmail:  noc@isc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ISCN-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
	AMS-IX Bay Area	AMS-IX Bay Area	206.41.106.38	2001:504:3d:1:0:a502:7321:1	1 Gbps
	SFMIX	San Francisco Metropolitan Internet Exchange	206.197.187.56	2001:504:30::ba02:7321:1	1 Gbps
	FCIX	Fremont Cabal Internet Exchange	206.80.238.60	2001:504:91::60	1 Gbps
	ARIX	Amateur Radio Internet Exchange	44.190.42.15	2602:801:30ff::15	1 Gbps