ResearchRouting table, RPKI, IRR & looking glass

AS18092 Kyushu Tele Communications Company

AS18092 (CSF) is registered to Kyushu Tele Communications Company in JP. It originates 51 prefixes in the global routing table.

50
IPv4 prefixes
1
IPv6 prefixes
45,056
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS18092

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

AS number
AS18092
Handle
CSF
Organization
Kyushu Tele Communications Company
Country
JP
ASPA
None published
Routing

What AS18092 announces

Prefixes originated by AS18092 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
50
IPv6 prefixes
1
IPv4 addresses
45,056 (176 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
51
ROAs naming AS18092
0
With an IRR route object
51 100%
Prefixes

Announced prefixes

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

IPv4 (50)
27.122.8.0/2261.44.224.0/2061.44.234.0/2361.44.236.0/2261.44.240.0/2061.44.240.0/2361.44.243.0/2461.44.244.0/2261.44.247.0/2461.44.248.0/21110.172.32.0/20110.172.32.0/21110.172.40.0/21112.137.144.0/20112.137.144.0/21112.137.144.0/23112.137.146.0/23112.137.152.0/21112.137.152.0/22112.137.158.0/23114.141.32.0/21114.141.32.0/22114.141.36.0/24114.141.37.0/24120.50.168.0/22120.50.172.0/22123.242.208.0/21123.242.208.0/23123.242.210.0/24175.103.8.0/22202.126.240.0/20202.126.240.0/22202.126.244.0/23202.126.246.0/24202.126.247.0/24202.126.248.0/21202.126.248.0/22203.205.96.0/20203.205.96.0/21203.205.104.0/21203.222.208.0/20203.222.208.0/22203.222.212.0/23203.222.214.0/23203.222.216.0/22203.222.220.0/22219.103.112.0/20219.103.112.0/21219.117.48.0/20219.117.52.0/22
IPv6 (1)
2404:1900::/32

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS18092 is reached through

The AS just before AS18092 in the paths our looking glass collectors hold, for 51 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS6939 HURRICANE 50AS2516 KDDI 23AS17676 GIGAINFRA 18AS4713 OCN 14
IRR

Routing registry objects

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

Sourceas-nameMaintained by
APNICCSF-NETMAINT-JPNIC
JPIRRCSFMAINT-AS4725
NTTCOMCSFMAINT-AS18092
RADBCSFMAINT-AS4722

Route objects with origin AS18092: NTTCOM 96 · RADB 52 · JPIRR 50

as-sets that list AS18092 (18)
AS-BBIX-TAS-BBIX-T-V6AS-BBX-PEERSAS-CSFAS-GIGAINFRAAS-HURRICANEV6AS-IIJAS-IIJ6AS-INFOSPHEREAS-INFOSPHERE-V6AS-KDDAS-KDDI6AS-LEVEL3-ORIGINS-NAAS-OCNAS-OCN-V6AS-VECTANTAS2497:AS-IIJAS2497:AS-IIJ6
Tools

Check AS18092 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup