AS61657

Data as of 2026-08-23
Handle
Cluster stats
Netblocks14 · 1,024 IPv4 addresses
IPv6 7 prefixes (largest 2804:1c80::/32)
Cluster ID227143593
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution RIR handle
Shared handles clustered on 1 shared RIR contact/maintainer handle
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
14 -1 netblocks since 2026-07-13
2026-07-13 peak 17 2026-08-23

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
131.100.252.0/22 AS61657 BGP ANNOUNCED ● high
131.100.252.0/23 AS61657 BGP ANNOUNCED ● high
131.100.252.0/24 AS61657 BGP ANNOUNCED ● high
131.100.253.0/24 AS61657 BGP ANNOUNCED ● high
131.100.254.0/23 AS61657 BGP ANNOUNCED ● high
131.100.254.0/24 AS61657 BGP ANNOUNCED ● high
131.100.255.0/24 AS61657 BGP ANNOUNCED ● high
2804:1c80::/33 AS61657 BGP ANNOUNCED ● high
2804:1c80::/34 AS61657 BGP ANNOUNCED ● high
2804:1c80::/32 AS61657 BGP ANNOUNCED ● high
2804:1c80:4000::/34 AS61657 BGP ANNOUNCED ● high
2804:1c80:8000::/34 AS61657 BGP ANNOUNCED ● high
2804:1c80:8000::/33 AS61657 BGP ANNOUNCED ● high
2804:1c80:c000::/34 AS61657 BGP ANNOUNCED ● high

IPv6 ranges (7)

CIDR
2804:1c80::/32
2804:1c80:8000::/33
2804:1c80::/33
2804:1c80:4000::/34
2804:1c80:8000::/34
2804:1c80::/34
2804:1c80:c000::/34

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (14 of 14)
Possible discrepancies (2)

These blocks are registered to AS61657 but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

131.100.253.0/24 /24 authorized for AS6157 — SPRINT, Business Serices Group
131.100.255.0/24 /24 authorized for AS6157 — SPRINT, Business Serices Group

NIC Handles

AS61657