ResearchRouting table, RPKI, IRR & looking glass

AS3372 Verizon Business

AS3372 (MCI-ASN) is registered to Verizon Business in US. It originates 106 prefixes in the global routing table.

105
IPv4 prefixes
1
IPv6 prefixes
465,664
IPv4 addresses
2%
RPKI valid
Registration

Who holds AS3372

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

AS number
AS3372
Handle
MCI-ASN
Organization
Verizon Business
Country
US
ASPA
None published
Routing

What AS3372 announces

Prefixes originated by AS3372 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
105
IPv6 prefixes
1
IPv4 addresses
465,664 (1,819 /24s)
RPKI valid
3 2%
RPKI invalid
0
RPKI not found
103
ROAs naming AS3372
5
With an IRR route object
3 2%
Prefixes

Announced prefixes

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

IPv4 (105)
63.39.160.0/2063.39.176.0/2063.39.192.0/2063.39.240.0/2069.96.16.0/2069.96.32.0/2069.96.48.0/20108.11.64.0/18151.205.32.0/19165.122.0.0/16166.32.0.0/20166.32.16.0/20166.32.48.0/20166.32.56.0/24166.32.128.0/19166.32.160.0/20166.32.240.0/20166.33.0.0/19166.33.11.0/24166.33.32.0/20166.33.48.0/21166.33.52.0/22166.33.56.0/21166.33.64.0/19166.33.96.0/19166.33.160.0/20166.33.176.0/20166.33.192.0/20166.34.128.0/17166.35.128.0/17166.36.0.0/20166.36.16.0/21166.36.24.0/21166.36.80.0/21166.36.88.0/21166.37.0.0/18166.37.96.0/19166.38.34.0/24166.38.38.0/24166.38.52.0/24166.38.53.0/24166.38.76.0/22166.38.160.0/21166.38.163.0/24166.38.168.0/21166.38.176.0/24166.38.178.0/24166.38.179.0/24166.38.180.0/24166.38.181.0/24166.38.182.0/24166.38.183.0/24166.38.188.0/24166.38.189.0/24166.38.190.0/24166.38.191.0/24166.38.192.0/19166.38.192.0/20166.38.208.0/20166.38.224.0/20166.39.0.0/20166.39.64.0/20166.39.80.0/20166.39.116.0/22166.39.120.0/21166.39.128.0/20166.39.144.0/21166.39.152.0/21166.39.208.0/20166.40.112.0/20166.40.161.0/24166.40.162.0/24166.40.163.0/24166.40.164.0/23166.40.166.0/23166.40.169.0/24166.40.172.0/23166.40.216.0/21166.41.16.0/20166.41.32.0/19166.41.144.0/20166.41.160.0/20166.41.168.0/22166.41.176.0/20166.41.192.0/20166.43.144.0/20166.43.160.0/20166.43.176.0/20166.46.112.0/20166.46.160.0/20166.46.176.0/20166.46.192.0/20166.46.224.0/20166.47.144.0/20166.47.160.0/20166.47.240.0/20166.50.80.0/20166.56.32.0/19166.56.64.0/19166.56.96.0/19166.56.248.0/23166.58.128.0/20166.58.224.0/20166.58.248.0/22166.58.252.0/22
IPv6 (1)
2600:40f3::/32

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS3372 is reached through

The AS just before AS3372 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.

AS3378 MCI-ASN 60
IRR

Routing registry objects

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

Route objects with origin AS3372: ARIN 5

Tools

Check AS3372 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup