ResearchRouting table, RPKI, IRR & looking glass

AS1280 Internet Systems Consortium, Inc.

AS1280 (ISC-AS-1280) is registered to Internet Systems Consortium, Inc. in US, through ARIN. It originates 99 prefixes in the global routing table.

92
IPv4 prefixes
7
IPv6 prefixes
23,296
IPv4 addresses
97%
RPKI valid
Registration

Who holds AS1280

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS1280
Handle
ISC-AS-1280
Organization
Internet Systems Consortium, Inc.
Country
US
Registry
ARIN
ASPA
None published
WHOIS recordARIN
#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       1280
ASName:         ISC-AS-1280
ASHandle:       AS1280
RegDate:        1991-07-31
Updated:        2012-04-02
Ref:            https://rdap.arin.net/registry/autnum/1280


OrgName:        Internet Systems Consortium, Inc.
OrgId:          ISC-94-Z
Address:        PO Box 360
City:           Newmarket
StateProv:      NH
PostalCode:     03857
Country:        US
RegDate:        2007-11-08
Updated:        2024-01-03
Ref:            https://rdap.arin.net/registry/entity/ISC-94-Z


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

OrgTechHandle: JSO127-ARIN
OrgTechName:   Osborn, Jeffrey Scott
OrgTechPhone:  +1-408-455-8258 
OrgTechEmail:  jeff@isc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/JSO127-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: RA15-ARIN
OrgTechName:   Adams, Rick 
OrgTechPhone:  +1-703-255-5527 
OrgTechEmail:  rick@cello.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RA15-ARIN

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

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


#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#
Routing

What AS1280 announces

Prefixes originated by AS1280 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
92
IPv6 prefixes
7
IPv4 addresses
23,296 (91 /24s)
RPKI valid
97 97%
RPKI invalid
0
RPKI not found
2
ROAs naming AS1280
37
With an IRR route object
98 98%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (92)
149.20.1.0/24149.20.6.0/24149.20.7.0/24149.20.8.0/24149.20.10.0/24149.20.12.0/24149.20.13.0/24149.20.14.0/24149.20.15.0/24149.20.16.0/24149.20.17.0/24149.20.18.0/24149.20.19.0/24149.20.20.0/24149.20.21.0/24149.20.22.0/24149.20.23.0/24149.20.24.0/24149.20.25.0/24149.20.26.0/24149.20.27.0/24149.20.28.0/24149.20.29.0/24149.20.30.0/24149.20.31.0/24149.20.32.0/24149.20.33.0/24149.20.34.0/24149.20.35.0/24149.20.36.0/24149.20.37.0/24149.20.38.0/24149.20.39.0/24149.20.40.0/24149.20.41.0/24149.20.42.0/24149.20.43.0/24149.20.44.0/24149.20.45.0/24149.20.46.0/24149.20.47.0/24149.20.48.0/24149.20.49.0/24149.20.50.0/24149.20.51.0/24149.20.52.0/24149.20.53.0/24149.20.54.0/24149.20.55.0/24149.20.56.0/24149.20.58.0/24149.20.59.0/24149.20.60.0/24149.20.61.0/24149.20.62.0/24149.20.63.0/24149.20.64.0/24149.20.65.0/24149.20.72.0/24149.20.73.0/24149.20.74.0/24149.20.75.0/24149.20.76.0/24149.20.77.0/24149.20.78.0/24149.20.79.0/24149.20.80.0/24149.20.81.0/24149.20.82.0/24149.20.83.0/24149.20.84.0/24149.20.85.0/24149.20.86.0/24149.20.87.0/24149.20.88.0/24149.20.90.0/24149.20.91.0/24149.20.92.0/24149.20.93.0/24149.20.94.0/24149.20.95.0/24192.111.107.0/24192.158.252.0/24204.152.184.0/21204.152.184.0/24204.152.185.0/24204.152.186.0/24204.152.187.0/24204.152.188.0/24204.152.189.0/24204.152.190.0/24204.152.191.0/24
IPv6 (7)
2001:4f8::/322001:4f8::/482001:4f8:4::/462001:4f8:4::/482001:4f8:8::/482001:4f8:fffe::/482001:4f8:ffff::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS1280 is reached through

The AS just before AS1280 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS1299 TWELVE99 60AS6939 HURRICANE 6
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBISC-1MAINT-AS1280

Route objects with origin AS1280: ARIN 100 · RADB 97

as-sets that list AS1280 (14)
AS-CAIS6AS-HURRICANEAS-HURRICANEV6AS-PEERSAS-RCN-CE-PEERSAS-RIS-RRC14AS1280:AS-SETAS14259:AS-CUSTOMERSAS23308:AS-CUSTSAS25192:AS-TRANSITAS293:AS-FROM-SINGAREN-TO-ESNETAS30071:AS-TBONEAS30132:AS-SETAS7575:AS-PEER
Tools

Check AS1280 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup