FASTMOS CO., LIMITED

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks471 · 149,248 IPv4 addresses
IPv6 1 prefix (largest 2402:5aa0::/32)
Registered in SC (465) · Chile (4) · Hong Kong (1)
Cluster ID217748503
RegistryAFRINIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
471 +2 netblocks since 2026-07-05
2026-07-05 peak 471 2026-08-09

IP Ranges (471)

showing 50 of 471 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
45.204.4.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
45.204.5.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
45.204.6.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
45.204.7.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.32.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.33.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.34.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.35.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.36.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.37.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.38.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.39.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.40.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.41.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.42.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.43.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.44.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.45.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.46.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.47.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.48.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.49.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.50.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.51.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.52.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.53.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.54.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.55.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.56.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.57.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.58.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.59.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.60.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.61.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.62.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.84.63.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.144.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.145.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.146.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.147.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.148.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.149.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.150.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.151.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.152.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.153.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.154.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.155.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.156.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low
154.89.157.0/24 Fastmos_Co_Limited AFRINIC ASSIGNED PA ● low

IPv6 ranges (1)

CIDR
2402:5aa0::/32

Domains hosted in this network

what's this?
tyciis.com palmmobi.com erospoesia.com zhyis.com dianzishapan.cn jinguanmc.cn kuaimlao.com.cn twinsml.com

Network trust

what's this?
RPKI hygiene: A how networks compare →
98.9% of checked blocks have valid RPKI ROA coverage (466 of 471)
Wholesale/transit re-announcements (466)

These blocks are registered to FASTMOS CO., LIMITED but cryptographically authorized across 12 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.

162.4.40.0/23 /23 authorized for AS400619 — AROSSCLOUD INC.
154.84.32.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.33.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.34.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.35.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.36.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.37.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.38.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.39.0/24 /24 authorized for AS8786 — Telenor Norge AS
154.84.40.0/24 /24 authorized for AS400619 — AROSSCLOUD INC.
154.84.41.0/24 /24 authorized for AS400619 — AROSSCLOUD INC.
154.84.42.0/24 /24 authorized for AS400619 — AROSSCLOUD INC.
154.84.43.0/24 /24 authorized for AS400619 — AROSSCLOUD INC.
154.84.44.0/24 /24 authorized for AS400619 — AROSSCLOUD INC.
154.84.45.0/24 /24 authorized for AS400619 — AROSSCLOUD INC.
+451 more — see the REST API

NIC Handles

AF921-AP APNIC-HM AS138644 CIL1-MNT CIS1-AFRINIC CIS1-AFRINIC FCLA12-AP FCLA12-AP LARUS-SERVICE-MNT ORG-FCL17-AP