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AS numbers

AS1321 Verizon Business

AS1321 is operated by Verizon Business and registered with ARIN (US) since 1994-11-23.

It announces 21 IPv4 and 10 IPv6 prefixes, 0% of them RPKI valid.

RIPE RIS sees 4 upstream and peer networks and 12 downstream networks next to it.

Run the full network report BGP lookup WHOIS PeeringDB lookup
NameVerizon Business
Registry handleANSBB-ASNNET-1
Registry (RIR)ARIN
CountryUnited States (US)
Delegated on1994-11-23
Prefixes (IPv4 / IPv6)21 / 10
RPKI valid0% (0 / 31)
Upstreams and peers4
Downstream networks12

Routing health

  • AS1321 announces 21 IPv4 and 10 IPv6 prefixes.
  • 31 announced prefixes are not covered by a ROA of AS1321 (they may have none, or another network’s).
  • 4 upstreams and peers, 12 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 31

  • 152.196.4.0/22
  • 152.196.4.0/24
  • 152.196.8.0/24
  • 152.196.10.0/24
  • 152.196.12.0/24
  • 152.196.14.0/24
  • 152.196.16.0/24
  • 152.196.18.0/24
  • 152.196.20.0/24
  • 152.196.22.0/24
  • 152.196.26.0/24
  • 152.196.28.0/24
  • 152.196.68.0/24
  • 152.196.70.0/24
  • 152.196.72.0/24
  • 152.196.74.0/24
  • 152.196.100.0/24
  • 152.196.102.0/24
  • 152.196.104.0/24
  • 152.196.106.0/24
  • 152.196.121.0/24
  • 2600:40ff:fc04::/48
  • 2600:40ff:fc20::/48
  • 2600:40ff:fc21::/48
  • 2600:40ff:fc22::/48
  • 2600:40ff:fc23::/48
  • 2600:40ff:fc24::/48
  • 2600:40ff:ff12::/48
  • 2600:40ff:ff13::/48
  • 2600:40ff:ff92::/48
  • 2600:40ff:ff93::/48

Upstreams and peers 4

The networks RIPE RIS sees next to AS1321 in BGP paths, the most visible first.

Peering

AS1321 is not in PeeringDB. Networks that peer at internet exchanges are expected to keep a record there with their policy, exchange addresses and contacts.

More about AS1321

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 08:25 UTC. The country is where the AS number was registered, not necessarily where the network operates.