This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18456 23 More Specifics 23 Total Advertisements GDIT-AS1, US
131.131.16.0/24 131.131.0.0/16
131.131.19.0/24 131.131.0.0/16
131.131.20.0/24 131.131.0.0/16
131.131.160.0/24 131.131.0.0/16
131.131.192.0/24 131.131.0.0/16
131.131.194.0/24 131.131.0.0/16
131.131.208.0/24 131.131.0.0/16
131.131.210.0/24 131.131.0.0/16
131.131.211.0/24 131.131.0.0/16
131.131.212.0/24 131.131.0.0/16
131.131.214.0/24 131.131.0.0/16
131.131.215.0/24 131.131.0.0/16
131.131.216.0/24 131.131.0.0/16
131.131.218.0/24 131.131.0.0/16
131.131.239.0/24 131.131.0.0/16
131.131.249.0/24 131.131.0.0/16
131.131.252.0/24 131.131.0.0/16
155.95.80.0/24 155.95.0.0/16
155.95.84.0/24 155.95.0.0/16
155.95.85.0/24 155.95.0.0/16
155.95.86.0/24 155.95.0.0/16
155.95.87.0/24 155.95.0.0/16
155.95.88.0/24 155.95.0.0/16
whois: 402590
IANA has recorded AS18456 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18456\n
#
# 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: 18456
ASName: GDIT-AS1
ASHandle: AS18456
RegDate: 2000-08-30
Updated: 2012-03-20
Ref: https://rdap.arin.net/registry/autnum/18456
OrgName: General Dynamics Information Technology, Inc.
OrgId: GDIT
Address: 3150 Fairview Park Drive
City: Falls Church
StateProv: VA
PostalCode: 22042
Country: US
RegDate: 2007-02-26
Updated: 2021-01-16
Ref: https://rdap.arin.net/registry/entity/GDIT
OrgAbuseHandle: DNSAD189-ARIN
OrgAbuseName: dns-admin
OrgAbusePhone: +1-800-242-0230
OrgAbuseEmail: dns-admin@gdit.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/DNSAD189-ARIN
OrgTechHandle: DNSAD189-ARIN
OrgTechName: dns-admin
OrgTechPhone: +1-800-242-0230
OrgTechEmail: dns-admin@gdit.com
OrgTechRef: https://rdap.arin.net/registry/entity/DNSAD189-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.
#