ResearchIRR · JPIRR

AS-131923 MCAT Ltd.

An as-set registered in JPIRR, maintained by MAINT-AS131923. It names 1 AS and 0 sets directly; followed all the way down, it reaches 1 ASes through 0 nested sets.

Members

What AS-131923 lists

1 AS and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS131923 MCAT
Expanded

Every AS it reaches

What a filter built from AS-131923 would let in: 1 ASes.

Show the 1 ASes
AS131923
Prefixes

What AS-131923 covers

Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS-131923 (with bgpq4, say) would allow. 166 IPv4 and 1 IPv6. Every one is in the IRR API.

166 IPv4 prefixes
103.95.104.0/22103.95.104.0/23103.95.104.0/24103.95.105.0/24103.95.106.0/23103.95.106.0/24103.95.107.0/24120.50.192.0/20120.50.192.0/21120.50.192.0/22120.50.192.0/23120.50.192.0/24120.50.193.0/24120.50.194.0/23120.50.194.0/24120.50.195.0/24120.50.196.0/22120.50.196.0/23120.50.196.0/24120.50.197.0/24120.50.198.0/23120.50.198.0/24120.50.199.0/24120.50.200.0/21120.50.200.0/22120.50.200.0/23120.50.200.0/24120.50.201.0/24120.50.202.0/23120.50.202.0/24120.50.203.0/24120.50.204.0/22120.50.204.0/23120.50.204.0/24120.50.205.0/24120.50.206.0/23120.50.206.0/24120.50.207.0/24133.247.136.0/21133.247.136.0/22133.247.136.0/23133.247.136.0/24133.247.137.0/24133.247.138.0/23133.247.138.0/24133.247.139.0/24133.247.140.0/22133.247.140.0/23133.247.140.0/24133.247.141.0/24133.247.142.0/23133.247.142.0/24133.247.143.0/24133.247.240.0/20133.247.240.0/21133.247.240.0/22133.247.240.0/23133.247.240.0/24133.247.241.0/24133.247.242.0/23133.247.242.0/24133.247.243.0/24133.247.244.0/22133.247.244.0/23133.247.244.0/24133.247.245.0/24133.247.246.0/23133.247.246.0/24133.247.247.0/24133.247.248.0/21133.247.248.0/22133.247.248.0/23133.247.248.0/24133.247.249.0/24133.247.250.0/23133.247.250.0/24133.247.251.0/24133.247.252.0/22133.247.252.0/23133.247.252.0/24133.247.253.0/24133.247.254.0/23133.247.254.0/24133.247.255.0/24133.88.87.0/24133.88.88.0/22133.88.88.0/23133.88.88.0/24133.88.89.0/24133.88.90.0/23133.88.90.0/24133.88.91.0/24133.88.92.0/23133.88.92.0/24133.88.93.0/24133.88.94.0/24218.45.64.0/19218.45.64.0/20218.45.64.0/21218.45.64.0/22218.45.64.0/23218.45.64.0/24218.45.65.0/24218.45.66.0/23218.45.66.0/24218.45.67.0/24218.45.68.0/22218.45.68.0/23218.45.68.0/24218.45.69.0/24218.45.70.0/23218.45.70.0/24218.45.71.0/24218.45.72.0/21218.45.72.0/22218.45.72.0/23218.45.72.0/24218.45.73.0/24218.45.74.0/23218.45.74.0/24218.45.75.0/24218.45.76.0/22218.45.76.0/23218.45.76.0/24218.45.77.0/24218.45.78.0/23218.45.78.0/24218.45.79.0/24218.45.80.0/20218.45.80.0/21218.45.80.0/22218.45.80.0/23218.45.80.0/24218.45.81.0/24218.45.82.0/23218.45.82.0/24218.45.83.0/24218.45.84.0/22218.45.84.0/23218.45.84.0/24218.45.85.0/24218.45.86.0/23218.45.86.0/24218.45.87.0/24218.45.88.0/21218.45.88.0/22218.45.88.0/23218.45.88.0/24218.45.89.0/24218.45.90.0/23218.45.90.0/24218.45.91.0/24218.45.92.0/22218.45.92.0/23218.45.92.0/24218.45.93.0/24218.45.94.0/23218.45.94.0/24218.45.95.0/24219.100.156.0/22219.100.156.0/23219.100.156.0/24219.100.157.0/24219.100.158.0/23219.100.158.0/24219.100.159.0/24
1 IPv6 prefix
2401:5ac0::/32
Registries

Each registry’s copy

JPIRR1 membersMCAT Ltd.
Maintained byMAINT-AS131923
Last modified2026-03-01
MembersAS131923
mbrs-by-refN
Tools

Check AS-131923 live

IRR API, with prefixes