AS7256 VIACOM-AS - Viacom Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

18total

18 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)66,560

Announced (BGP)9,472

IPv6 Addresses

Allocated (RIR)3×10²⁶

Announced (BGP)0

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

1996-10-22

Announced Prefixes

(BGP)18

Prefix	RPKI	IRR	Last Seen
166.77.0.0/23	No ROA	-	2026-10-11
166.77.3.0/24	No ROA	-	2026-10-11
166.77.4.0/24	No ROA	-	2026-10-11
166.77.10.0/24	No ROA	-	2026-10-11
166.77.16.0/24	No ROA	-	2026-10-11
166.77.17.0/24	No ROA	-	2026-10-11
166.77.23.0/24	No ROA	-	2026-10-11
166.77.24.0/24	No ROA	-	2026-10-11
166.77.26.0/24	No ROA	-	2026-10-11
166.77.36.0/24	No ROA	-	2026-10-11

1-10 of 18

1 / 2

(RIR)3

Prefix	Country	RIR	Status
166.77.0.0/16	🇺🇸 US	ARIN	allocated
206.220.40.0/22	🇺🇸 US	ARIN	allocated
2620:118:1000::/40	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS7256 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS7256 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/7256" | jq