ResearchRouting table, RPKI, IRR & looking glass

AS397074 Marshalls

AS397074 (TJXCOS-CORP-ASN) is registered to Marshalls in US. It originates 45 prefixes in the global routing table.

45
IPv4 prefixes
0
IPv6 prefixes
9,472
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS397074

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

AS number
AS397074
Handle
TJXCOS-CORP-ASN
Organization
Marshalls
Country
US
ASPA
None published
Routing

What AS397074 announces

Prefixes originated by AS397074 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
45
IPv6 prefixes
0
IPv4 addresses
9,472 (37 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
45
ROAs naming AS397074
0
With an IRR route object
17 37%
Prefixes

Announced prefixes

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

IPv4 (45)
168.233.1.0/24168.233.2.0/23168.233.2.0/24168.233.3.0/24168.233.6.0/23168.233.6.0/24168.233.7.0/24168.233.11.0/24168.233.20.0/23168.233.22.0/23168.233.24.0/23168.233.24.0/24168.233.25.0/24168.233.30.0/24168.233.32.0/23168.233.32.0/24168.233.33.0/24168.233.48.0/24168.233.52.0/23168.233.52.0/24168.233.53.0/24168.233.54.0/23168.233.54.0/24168.233.55.0/24168.233.104.0/23168.233.104.0/24168.233.105.0/24168.233.106.0/23168.233.106.0/24168.233.107.0/24168.233.108.0/23168.233.108.0/24168.233.109.0/24168.233.110.0/23168.233.110.0/24168.233.111.0/24168.233.112.0/23168.233.112.0/24168.233.113.0/24168.233.114.0/23168.233.114.0/24168.233.115.0/24168.233.220.0/23168.233.222.0/23168.233.254.0/24

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS397074 is reached through

The AS just before AS397074 in the paths our looking glass collectors hold, for 45 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS701 UUNET 16AS7018 ATT-INTERNET4 14AS703 UUNET 8AS702 UUNET 6AS9498 BBIL-AP 4AS2686 ATGS-MMD-AS 4AS812 ROGERS-COMMUNICATIONS 3AS8220 COLT 2AS2687 ATGS-MMD-AS 2AS1221 ASN-TELSTRA 1AS40380 1
IRR

Routing registry objects

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

Route objects with origin AS397074: RADB 17

as-sets that list AS397074 (8)
AS-ATT2685-REGAS-ATTAPAS-IGNEMEAAS-ROGERS:AS-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERSAS1221:AS-CUSTOMERSAS7545:AS-TPGN-CUSTOMERSAS8220:AS-COLTUK
Tools

Check AS397074 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup