ResearchRouting table, RPKI, IRR & looking glass

AS25993 AT&T Enterprises, LLC

AS25993 (ATT-LABS-AUSTIN-TX) is registered to AT&T Enterprises, LLC in US. It originates 25 prefixes in the global routing table.

23
IPv4 prefixes
2
IPv6 prefixes
44,288
IPv4 addresses
8%
RPKI valid
Registration

Who holds AS25993

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

AS number
AS25993
Handle
ATT-LABS-AUSTIN-TX
Organization
AT&T Enterprises, LLC
Country
US
ASPA
None published
Routing

What AS25993 announces

Prefixes originated by AS25993 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
23
IPv6 prefixes
2
IPv4 addresses
44,288 (173 /24s)
RPKI valid
2 8%
RPKI invalid
0
RPKI not found
23
ROAs naming AS25993
2
With an IRR route object
2 8%
Prefixes

Announced prefixes

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

IPv4 (23)
32.139.208.0/2264.123.22.0/24108.79.160.0/20144.60.0.0/21144.60.9.0/24144.60.10.0/23144.60.12.0/22144.60.16.0/20144.60.32.0/19144.60.64.0/19144.60.96.0/23144.60.98.0/24144.60.112.0/22144.60.116.0/23144.60.124.0/22144.60.128.0/21144.60.190.0/24144.60.191.0/24144.60.192.0/19144.60.200.0/22144.60.209.0/24205.173.58.0/24209.64.7.0/24
IPv6 (2)
2620:10d:9000::/482620:10d:900f::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS25993 is reached through

The AS just before AS25993 in the paths our looking glass collectors hold, for 25 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS7018 ATT-INTERNET4 25
IRR

Routing registry objects

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

Route objects with origin AS25993: ARIN 2

Tools

Check AS25993 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup