ResearchRouting table, RPKI, IRR & looking glass

AS37992 Thammasat University in thailand

AS37992 (THAMMASAT-BORDER-AS) is registered to Thammasat University in thailand in TH. It originates 36 prefixes in the global routing table.

33
IPv4 prefixes
3
IPv6 prefixes
9,984
IPv4 addresses
66%
RPKI valid
Registration

Who holds AS37992

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

AS number
AS37992
Handle
THAMMASAT-BORDER-AS
Organization
Thammasat University in thailand
Country
TH
ASPA
None published
Routing

What AS37992 announces

Prefixes originated by AS37992 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
33
IPv6 prefixes
3
IPv4 addresses
9,984 (39 /24s)
RPKI valid
24 66%
RPKI invalid
0
RPKI not found
12
ROAs naming AS37992
24
With an IRR route object
36 100%
Prefixes

Announced prefixes

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

IPv4 (33)
61.90.234.0/2461.90.235.0/2461.90.236.0/2461.90.237.0/24110.164.61.0/24110.164.62.0/24110.164.83.0/24110.164.84.0/24110.164.178.0/24110.164.179.0/24119.46.188.0/24119.46.189.0/24119.46.190.0/24119.46.191.0/24119.46.235.0/24119.46.236.0/24119.46.237.0/24119.46.238.0/24192.150.249.0/24202.28.88.0/24202.28.89.0/24202.28.90.0/24202.28.91.0/24203.131.208.0/20203.131.208.0/23203.131.210.0/23203.131.212.0/23203.131.214.0/23203.131.216.0/23203.131.218.0/23203.131.220.0/23203.131.222.0/23203.131.223.0/24
IPv6 (3)
2001:fb0:100e::/482001:fb0:100f::/482404:140::/32

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS37992 is reached through

The AS just before AS37992 in the paths our looking glass collectors hold, for 36 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS7470 TRUEINTERNET-AS-AP 27AS4621 UNINET-AS-AP 9
IRR

Routing registry objects

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

Sourceas-nameMaintained by
APNICTHAMMASAT-BORDER-ASAPNIC-HM

Route objects with origin AS37992: RADB 53 · APNIC 24 · NTTCOM 14 · LEVEL3 1

as-sets that list AS37992 (27)
AS-132876AS-45629AS-GLOBEINTERNET-CLIENTSAS-HURRICANEAS-HURRICANEV6AS-KDDCUSTOMER2AS-LEVEL3-ORIGINS-NAAS-REACH-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERSAS-TH-IX-AS45758AS-TH-IX-AS4621AS-TH-IX-AS4741AS-TH-IX-AS55554AS-TH-IX-AS7470AS-THIXAS-TI-GROUPAS-TICC-CUSTOMERSAS-TIG-GROUPAS-TRANSROUTE-SPECAS-UNINETAS-XO-BAS20965:AS-FROM-TEIN-TO-GEANTAS293:AS-FROM-SINGAREN-TO-ESNETAS3491:AS-CUSTOMERS-APAS38040:AS-CUSTOMERSAS58453:AS-ASIAASCUSTAS63528:AS-GOOGLE-VPP
Tools

Check AS37992 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup