ResearchRouting table, RPKI, IRR & looking glass

AS18182 Sony Network Taiwan Limited

AS18182 (SONET-TW) is registered to Sony Network Taiwan Limited in TW. It originates 86 prefixes in the global routing table.

84
IPv4 prefixes
2
IPv6 prefixes
320,512
IPv4 addresses
100%
RPKI valid
Registration

Who holds AS18182

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

AS number
AS18182
Handle
SONET-TW
Organization
Sony Network Taiwan Limited
Country
TW
ASPA
None published
Routing

What AS18182 announces

Prefixes originated by AS18182 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
84
IPv6 prefixes
2
IPv4 addresses
320,512 (1,252 /24s)
RPKI valid
86 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS18182
9
With an IRR route object
73 84%
Prefixes

Announced prefixes

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

IPv4 (84)
27.105.0.0/1627.105.0.0/1827.105.0.0/1927.105.32.0/1927.105.64.0/1827.105.64.0/1927.105.95.0/2427.105.96.0/1927.105.128.0/1827.105.128.0/1927.105.160.0/1927.105.192.0/1827.105.192.0/1927.105.209.0/2427.105.210.0/2427.105.211.0/2427.105.212.0/2427.105.213.0/2427.105.214.0/2427.105.215.0/2427.105.216.0/2427.105.217.0/2427.105.220.0/2427.105.224.0/1939.1.80.0/2439.1.84.0/2439.1.88.0/2439.1.92.0/2461.56.128.0/1961.56.128.0/2061.56.128.0/2161.56.136.0/2161.56.144.0/2061.56.144.0/2161.56.152.0/2161.62.0.0/1661.62.0.0/1861.62.0.0/1961.62.32.0/1961.62.64.0/1861.62.64.0/1961.62.96.0/1961.62.128.0/1861.62.128.0/1961.62.160.0/1961.62.192.0/1861.62.192.0/1961.62.224.0/1961.64.64.0/1861.64.64.0/1961.64.96.0/1961.64.128.0/1861.64.128.0/1961.64.160.0/1961.64.192.0/1861.64.192.0/1961.64.224.0/19219.84.0.0/16219.84.0.0/18219.84.0.0/19219.84.32.0/19219.84.64.0/18219.84.64.0/19219.84.96.0/19219.84.128.0/18219.84.128.0/19219.84.160.0/19219.84.162.0/24219.84.192.0/18219.84.192.0/19219.84.224.0/19219.85.0.0/16219.85.0.0/18219.85.0.0/19219.85.32.0/19219.85.64.0/18219.85.64.0/19219.85.96.0/19219.85.128.0/18219.85.128.0/19219.85.160.0/19219.85.192.0/18219.85.192.0/19219.85.224.0/19
IPv6 (2)
2404:80::/282404:83::/38

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS18182 is reached through

The AS just before AS18182 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS9505 TWGATE-AP 60AS6939 HURRICANE 41AS45474 NEXUSGUARD-AS-AP 7
IRR

Routing registry objects

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

Sourceas-nameMaintained by
APNICSONET-TWMAINT-TW-TWNIC
NTTCOMSO-NET-TWMAINT-SONET-TW
RADBSO-NET-TWMAINT-AS18182

Route objects with origin AS18182: RADB 137 · NTTCOM 6

as-sets that list AS18182 (35)
AS-63529-AS-IMPORT-AS9505AS-ANCAS-BTN-CUSTOMERSAS-CHIEF-TRANSITAS-CHIEF-TRANSIT-2003AS-CTBC-CUSTOMERS245AS-CTBC-TOOLS-6AS-EBIX-TRANSITAS-HINETAS-HINET_USAAS-HWNG-DOWNSTREAMSAS-IIJAS-NEXUSGUARD-CLIENTSAS-PACNETAS-SEEDNETAS-SO-NET-TWAS-SPARQAS-STIX-CACHE-AAS-STUIXAS-TFN-TRANSIT-TESTAS-TFN-TRANSIT1AS-TPIXAS-TRANSROUTE-SPECAS-TTN-TEST1AS-TWIGAS140096:AS-STUIXAS18424:AS-CONEAS18424:AS-PEERSAS18424:AS-UPSTREAMSAS207468:AS-TWAS2497:AS-IIJAS3491:AS-CUSTOMERS-APAS58453:AS-ASIAASCUSTAS58453:AS-ASIATESTAS63529:AS-63529-AS-IMPORT-AS9505
Tools

Check AS18182 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup