ResearchRouting table, RPKI, IRR & looking glass

AS1661 Verizon Business

AS1661 (ANS-ATLANTA) is registered to Verizon Business in US. It originates 29 prefixes in the global routing table.

29
IPv4 prefixes
0
IPv6 prefixes
11,008
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS1661

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

AS number
AS1661
Handle
ANS-ATLANTA
Organization
Verizon Business
Country
US
ASPA
None published
Routing

What AS1661 announces

Prefixes originated by AS1661 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
29
IPv6 prefixes
0
IPv4 addresses
11,008 (43 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
29
ROAs naming AS1661
0
With an IRR route object
0 0%
Prefixes

Announced prefixes

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

IPv4 (29)
63.64.24.0/2463.77.76.0/2363.78.210.0/2463.87.16.0/2363.97.104.0/2363.110.102.0/2363.118.0.0/2463.118.1.0/2463.118.90.0/2365.198.234.0/2465.203.146.0/2465.203.147.0/2465.210.178.0/2365.210.180.0/2465.211.120.0/2365.217.40.0/2365.243.172.0/23152.189.92.0/24152.189.93.0/24152.189.95.0/24152.189.96.0/24152.189.117.0/24152.189.118.0/24193.67.62.0/23193.67.76.0/23194.115.38.0/23194.115.116.0/23195.124.6.0/24212.136.178.0/23

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS1661 is reached through

The AS just before AS1661 in the paths our looking glass collectors hold, for 29 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS701 UUNET 23AS702 UUNET 6
IRR

Routing registry objects

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

as-sets that list AS1661 (2)
AS-LUMEN-CUSTOMERS-ASNSAS-VES-DS
Tools

Check AS1661 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup