AS27947
Data as of 2026-08-23
Handle
Cluster stats
| Netblocks | 1,635 · 534,016 IPv4 addresses |
| IPv6 | 749 prefixes (largest 2800:2a0::/32) |
| Registered in | EC (868) · SC (9) · United States (8) · Hong Kong (1) |
| Cluster ID | 226908947 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | RIR handle |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
4 weekly snapshots · JSON
1,635
+17 netblocks since 2026-07-26
2026-07-26
peak 1,635
2026-08-23
IP Ranges (1,635)
showing 50 of 1,635 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.219.144.0/22 | AS27947 | BGP | ANNOUNCED | ● medium |
| 45.194.29.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 45.195.132.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 64.46.64.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 64.46.64.0/19 | AS27947 | BGP | ANNOUNCED | ● medium |
| 64.46.80.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 69.65.128.0/19 | AS27947 | BGP | ANNOUNCED | ● medium |
| 69.65.128.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 69.65.144.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 154.197.111.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 154.198.172.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 156.239.192.0/22 | AS27947 | BGP | ANNOUNCED | ● medium |
| 156.239.192.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 156.239.193.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 156.239.194.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 156.239.195.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.0.0/16 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.0.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.0.0/19 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.0.0/18 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.1.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.3.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.4.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.11.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.13.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.16.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.19.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.22.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.29.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.32.0/19 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.32.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.34.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.36.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.37.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.39.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.40.0/23 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.40.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.41.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.44.0/23 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.47.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.48.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.64.0/18 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.64.0/19 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.64.0/20 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.64.0/22 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.64.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.65.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.66.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.67.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
| 157.100.74.0/24 | AS27947 | BGP | ANNOUNCED | ● medium |
IPv6 ranges (749)
showing the 15 largest allocationsCustomer-delegated space
how is this classified?
Unclassified
1,585 (96.9%)
Customer access pools
50 (3.1%)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
99.6%
of checked blocks have valid RPKI ROA coverage
(1,629 of 1,635)
Wholesale/transit re-announcements (893)
These blocks are registered to AS27947 but cryptographically authorized across 11 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.
| 2800:2a0::/32 /32 | authorized for AS19169 — AS19169 |
| 2800:2a0::/34 /34 | authorized for AS19169 — AS19169 |
| 2800:2a0:4000::/34 /34 | authorized for AS19169 — AS19169 |
| 2800:2a0:8000::/34 /34 | authorized for AS19169 — AS19169 |
| 2800:2a0:c000::/34 /34 | authorized for AS19169 — AS19169 |
| 2800:68:16::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:1d::/48 /48 | authorized for AS22724 — AS22724 |
| 2800:68:21::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:22::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:37::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:39::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:3a::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:3c::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:40::/48 /48 | authorized for AS20080 — Florida International University |
| 2800:68:42::/48 /48 | authorized for AS20080 — Florida International University |
+878 more — see the REST API
NIC Handles
AS27947
AS52257
LARUS-SERVICE-MNT
MAINT-AP-PCCWG-APAC