AS1280 Internet Systems Consortium, Inc.

The website screenshot for https://www.isc.org

Internet Systems Consortium, Inc.

AS Number 1280
Website https://www.isc.org

Registered on: 31 Jul 1991 (34 years old)
Registered to: ARIN-ISC-94-Z (arin)

Network status: Active, Allocated under ARIN

Network type: Content

Prefixes Originated: 93 IPv4, 7 IPv6

Upstreams

AS1299 - Arelion (fka. Telia Carrier)
AS2914 - NTT America, Inc.
AS6939 - Hurricane Electric LLC

Locations of Operation

United States

	Prefix	Description
	149.20.0.0/24	Internet Systems Consortium, Inc.
	149.20.1.0/24	Internet Systems Consortium, Inc.
	149.20.6.0/24	Internet Systems Consortium, Inc.
	149.20.7.0/24	Internet Systems Consortium, Inc.
	149.20.8.0/24	Internet Systems Consortium, Inc.
	149.20.10.0/24	Internet Systems Consortium, Inc.
	149.20.12.0/24	Internet Systems Consortium, Inc.
	149.20.13.0/24	Internet Systems Consortium, Inc.
	149.20.14.0/24	Internet Systems Consortium, Inc.
	149.20.15.0/24	Internet Systems Consortium, Inc.
	149.20.16.0/24	Internet Systems Consortium, Inc.
	149.20.17.0/24	Internet Systems Consortium, Inc.
	149.20.18.0/24	Internet Systems Consortium, Inc.
	149.20.19.0/24	Internet Systems Consortium, Inc.
	149.20.20.0/24	Internet Systems Consortium, Inc.
	149.20.21.0/24	Internet Systems Consortium, Inc.
	149.20.22.0/24	Internet Systems Consortium, Inc.
	149.20.23.0/24	Internet Systems Consortium, Inc.
	149.20.24.0/24	Internet Systems Consortium, Inc.
	149.20.25.0/24	Internet Systems Consortium, Inc.
	149.20.26.0/24	Internet Systems Consortium, Inc.
	149.20.27.0/24	Internet Systems Consortium, Inc.
	149.20.28.0/24	Internet Systems Consortium, Inc.
	149.20.29.0/24	Internet Systems Consortium, Inc.
	149.20.30.0/24	Internet Systems Consortium, Inc.
	149.20.31.0/24	Internet Systems Consortium, Inc.
	149.20.32.0/24	Internet Systems Consortium, Inc.
	149.20.33.0/24	Internet Systems Consortium, Inc.
	149.20.34.0/24	Internet Systems Consortium, Inc.
	149.20.35.0/24	Internet Systems Consortium, Inc.
	149.20.36.0/24	Internet Systems Consortium, Inc.
	149.20.37.0/24	Internet Systems Consortium, Inc.
	149.20.38.0/24	Internet Systems Consortium, Inc.
	149.20.39.0/24	Internet Systems Consortium, Inc.
	149.20.40.0/24	Internet Systems Consortium, Inc.
	149.20.41.0/24	Internet Systems Consortium, Inc.
	149.20.42.0/24	Internet Systems Consortium, Inc.
	149.20.43.0/24	Internet Systems Consortium, Inc.
	149.20.44.0/24	Internet Systems Consortium, Inc.
	149.20.45.0/24	Internet Systems Consortium, Inc.
	149.20.46.0/24	Internet Systems Consortium, Inc.
	149.20.47.0/24	Internet Systems Consortium, Inc.
	149.20.48.0/24	Internet Systems Consortium, Inc.
	149.20.49.0/24	Internet Systems Consortium, Inc.
	149.20.50.0/24	Internet Systems Consortium, Inc.
	149.20.51.0/24	Internet Systems Consortium, Inc.
	149.20.52.0/24	Internet Systems Consortium, Inc.
	149.20.53.0/24	Internet Systems Consortium, Inc.
	149.20.54.0/24	Internet Systems Consortium, Inc.
	149.20.55.0/24	Internet Systems Consortium, Inc.
	149.20.56.0/24	Internet Systems Consortium, Inc.
	149.20.58.0/24	Internet Systems Consortium, Inc.
	149.20.59.0/24	Internet Systems Consortium, Inc.
	149.20.60.0/24	Internet Systems Consortium, Inc.
	149.20.61.0/24	Internet Systems Consortium, Inc.
	149.20.62.0/24	Internet Systems Consortium, Inc.
	149.20.63.0/24	Internet Systems Consortium, Inc.
	149.20.64.0/24	Internet Systems Consortium, Inc.
	149.20.65.0/24	Internet Systems Consortium, Inc.
	149.20.72.0/24	Internet Systems Consortium, Inc.
	149.20.73.0/24	Internet Systems Consortium, Inc.
	149.20.74.0/24	Internet Systems Consortium, Inc.
	149.20.75.0/24	Internet Systems Consortium, Inc.
	149.20.76.0/24	Internet Systems Consortium, Inc.
	149.20.77.0/24	Internet Systems Consortium, Inc.
	149.20.78.0/24	Internet Systems Consortium, Inc.
	149.20.79.0/24	Internet Systems Consortium, Inc.
	149.20.80.0/24	Internet Systems Consortium, Inc.
	149.20.81.0/24	Internet Systems Consortium, Inc.
	149.20.82.0/24	Internet Systems Consortium, Inc.
	149.20.83.0/24	Internet Systems Consortium, Inc.
	149.20.84.0/24	Internet Systems Consortium, Inc.
	149.20.85.0/24	Internet Systems Consortium, Inc.
	149.20.86.0/24	Internet Systems Consortium, Inc.
	149.20.87.0/24	Internet Systems Consortium, Inc.
	149.20.88.0/24	Internet Systems Consortium, Inc.
	149.20.90.0/24	Internet Systems Consortium, Inc.
	149.20.91.0/24	Internet Systems Consortium, Inc.
	149.20.92.0/24	Internet Systems Consortium, Inc.
	149.20.93.0/24	Internet Systems Consortium, Inc.
	149.20.94.0/24	Internet Systems Consortium, Inc.
	149.20.95.0/24	Internet Systems Consortium, Inc.
	192.111.107.0/24	Shockwave Engineering
	192.158.252.0/24	Internet Systems Consortium, Inc.
	204.152.184.0/24	Internet Systems Consortium, Inc.
	204.152.184.0/21	Internet Systems Consortium, Inc.
	204.152.185.0/24	Internet Systems Consortium, Inc.
	204.152.186.0/24	Internet Systems Consortium, Inc.
	204.152.187.0/24	Internet Systems Consortium, Inc.
	204.152.188.0/24	Internet Systems Consortium, Inc.
	204.152.189.0/24	Internet Systems Consortium, Inc.
	204.152.190.0/24	Internet Systems Consortium, Inc.
	204.152.191.0/24	Internet Systems Consortium, Inc.
	2001:4f8::/48	Internet Systems Consortium, Inc.
	2001:4f8::/32	Internet Systems Consortium, Inc.
	2001:4f8:4::/46	Internet Systems Consortium, Inc.
	2001:4f8:4::/48	Internet Systems Consortium, Inc.
	2001:4f8:8::/48	Internet Systems Consortium, Inc.
	2001:4f8:fffe::/48	Internet Systems Consortium, Inc.
	2001:4f8:ffff::/48	Internet Systems Consortium, Inc.

Peers: 19

Upstreams: 3

Downstreams: 3 (Cone: 4)

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS1299	Arelion (fka. Telia Carrier)	✔	✔
AS2914	NTT America, Inc.	✔	✔
AS6939	Hurricane Electric LLC	✔	✔

Peers

ASN	Description	IPv4	IPv6
AS6939	Hurricane Electric LLC	✔	✔
AS30133	ISC F-ROOT NUL0	✔	✔
AS1299	Arelion (fka. Telia Carrier)	✔	✔
AS2914	NTT America, Inc.	✔	✔
AS24151	China Internet Network Infomation Center	✔	✔
AS3557	ISC - F-root	✔	✔
AS6762	Telecom Italia Sparkle (Seabone)	✔	✔
AS2152	CENIC - CalREN	✔	✔
AS7922	Comcast Cable Communications, LLC	✔	✔
AS49544	i3D.net B.V	✔	✔
AS7575	Australian Academic and Research Network (AARNet)	✔	✔
AS11404	Wave Broadband	✔	✘
AS9680	HiNet Service Center in U.S.A	✔	✘
AS3292	TDC Holding A/S	✔	✔
AS15169	Google LLC	✔	✘
AS38158	PT Cyberindo Aditama	✔	✘
AS11164	Internet2 I2PX	✔	✘
AS9505	Taiwan Internet Gateway	✔	✘
AS55818	Matrix Cable Internet Exchange	✔	✘

Downstreams

ASN	Description	IPv4	IPv6
AS30133	ISC F-ROOT NUL0	✔	✔
AS24151	China Internet Network Infomation Center	✔	✔
AS3557	ISC - F-root	✔	✔

ASHandle:       AS1280
OrgID:          ISC-94-Z
ASName:         ISC-AS-1280
ASNumber:       1280
RegDate:        1991-07-31
Updated:        2012-04-02
Source:         ARIN



OrgID:          ISC-94-Z
OrgName:        Internet Systems Consortium, Inc.
CanAllocate:    
Street:         PO Box 360
City:           Newmarket
State/Prov:     NH
Country:        US
PostalCode:     03857
RegDate:        2007-11-08
Updated:        2024-01-03
OrgAdminHandle: JSO127-ARIN
OrgTechHandle:  BELLI82-ARIN
OrgTechHandle:  ISCN-ARIN
OrgTechHandle:  JSO127-ARIN
OrgTechHandle:  RA15-ARIN
OrgAbuseHandle: ISCAT-ARIN
OrgNOCHandle:   ISCN-ARIN
Source:         ARIN





OrgAdminHandle:       JSO127-ARIN
OrgAdminName:         Jeffrey Osborn
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        BELLI82-ARIN
OrgTechName:          Ray Bellis
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ISCN-ARIN
OrgTechName:           Internet Systems Consortium NOC
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        JSO127-ARIN
OrgTechName:          Jeffrey Osborn
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        RA15-ARIN
OrgTechName:          Rick Adams
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ISCAT-ARIN
OrgAbuseName:          Internet Systems Consortium Abuse Team
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ISCN-ARIN
OrgNOCName:            Internet Systems Consortium NOC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:28:33Z UTC

Member of the following AS-SETs

-	Member	ASN Count
RADB	as7575:as-peer	256
RADB	as-peers	0
ALTDB	as30071:as-tbone	377
RADB	as1280:as-set	5
RIPE	as-ris-rrc14	16
RIPE	as25192:as-transit	9
RADB	as-rcn-ce-peers	7829
RADB	as174:as-cogc-025	45
RADB	as-hurricane	24736
RADB	as-cais6	18695
RADB	as30132:as-set	3
ARIN	as293:as-from-singaren-to-esnet	4548
RADB	as-hurricanev6	20185
ALTDB	as23308:as-custs	11
RADB	as14259:as-customers	150

View

Upstreams

Locations of Operation

Network Policy

Prefixes in selected policy

Upstreams

Peers

Downstreams

Member of the following AS-SETs

Internet Exchange Points