AS66666 is a reserved AS number (private use or documentation). It should not appear in the global routing table; announcements of it are usually leaks.
IPv4 addresses23,80813 prefixes · <0.001% of announced IPv4
Rank worldwide#5,617of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnknown398 ASNs registered there
IPv4 prefixes
All 13 prefixes, in address order.
- 123.242.128.0/21
- 123.242.136.0/24
- 123.242.138.0/23
- 123.242.140.0/22
- 123.242.144.0/20
- 123.242.160.0/19
- 164.115.224.0/20
- 164.115.240.0/22
- 164.115.244.0/23
- 164.115.246.0/23
- 164.115.250.0/24
- 164.115.251.0/24
- 164.115.252.0/22
Similar-sized networks in None
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources