ResearchRouting table, RPKI, IRR & looking glass

AS399337 Netcrawler Inc

AS399337 (NETCRAWLER-INC) is registered to Netcrawler Inc in CA. It originates 19 prefixes in the global routing table.

17
IPv4 prefixes
2
IPv6 prefixes
40,960
IPv4 addresses
52%
RPKI valid
Registration

Who holds AS399337

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

AS number
AS399337
Handle
NETCRAWLER-INC
Organization
Netcrawler Inc
Country
CA
ASPA
None published
Routing

What AS399337 announces

Prefixes originated by AS399337 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
17
IPv6 prefixes
2
IPv4 addresses
40,960 (160 /24s)
RPKI valid
10 52%
RPKI invalid
0
RPKI not found
9
ROAs naming AS399337
7
With an IRR route object
19 100%
Prefixes

Announced prefixes

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

IPv4 (17)
38.20.224.0/2238.45.0.0/2038.57.28.0/2238.64.40.0/2138.70.176.0/2138.88.96.0/2038.130.120.0/2138.131.184.0/2138.207.64.0/18130.12.36.0/23130.12.38.0/24130.12.39.0/24154.45.252.0/22172.110.176.0/22208.81.16.0/22209.151.96.0/22216.73.176.0/22
IPv6 (2)
2606:9340:1001::/482606:9340:1002::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS399337 is reached through

The AS just before AS399337 in the paths our looking glass collectors hold, for 19 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS174 COGENT-174 19AS6939 HURRICANE 17
IRR

Routing registry objects

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

Route objects with origin AS399337: ARIN 13 · RADB 9

as-sets that list AS399337 (1)
AS-NETCRAWLER
Tools

Check AS399337 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup