Fastcom Limited
BGP inherited
Cluster stats
Netblocks54
All fragments 69 blocks across 10 clusters
Cluster ID191665035
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 8 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
54 0 netblocks since 2026-07-05
2026-07-05 peak 54 2026-07-06

IP Ranges (54)

showing 50 of 54 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
43.243.21.37/32 Fastcom Limited PEERINGDB ASSIGNED ● high
43.243.22.39/32 Fastcom Limited PEERINGDB ASSIGNED ● high
45.64.203.0/24 Fastcom Limited BGP ANNOUNCED ● high
103.2.120.0/24 Fastcom Limited BGP ANNOUNCED ● high
103.2.121.0/24 Fastcom Limited BGP ANNOUNCED ● high
103.2.122.0/24 Fastcom Limited BGP ANNOUNCED ● high
103.2.123.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.160.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.161.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.162.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.163.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.164.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.165.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.166.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.167.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.168.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.168.0/21 Fastcom Limited BGP ANNOUNCED ● high
124.150.169.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.173.0/24 Fastcom Limited BGP ANNOUNCED ● high
124.150.174.0/24 Fastcom Limited BGP ANNOUNCED ● high
180.189.192.0/19 Fastcom Limited BGP ANNOUNCED ● high
180.189.216.0/24 Fastcom Limited BGP ANNOUNCED ● high
182.236.120.0/21 Fastcom Limited BGP ANNOUNCED ● high
2001:dea:0:40::27/128 Fastcom Limited PEERINGDB ASSIGNED ● high
2401:d200::/32 Fastcom Limited BGP ANNOUNCED ● high
45.64.200.0/22 Fastcom Limited APNIC ALLOCATED PORTABLE ● low
62.94.215.96/29 FASTCOM-EDT RIPE ASSIGNED PA ● low
103.2.120.0/22 Fastcom Limited APNIC ALLOCATED PORTABLE ● low
103.2.122.0/23 Fastcom APNIC ALLOCATED NON-PORTABLE ● low
103.6.28.0/22 Fastcom Limited APNIC ALLOCATED PORTABLE ● low
124.150.160.0/20 Fastcom Limited APNIC ALLOCATED PORTABLE ● low
124.150.161.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
124.150.162.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
124.150.163.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
124.150.164.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
124.150.168.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
124.150.169.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
124.150.174.0/23 FASTCOM APNIC ALLOCATED NON-PORTABLE ● low
180.189.192.0/19 Fastcom Limited APNIC ALLOCATED PORTABLE ● low
180.189.192.0/20 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
180.189.206.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
180.189.208.0/20 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
180.189.218.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
180.189.219.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
182.236.120.0/21 Fastcom Limited APNIC ALLOCATED PORTABLE ● low
182.236.120.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
182.236.121.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
182.236.122.0/24 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
182.236.123.0 – 182.236.127.255 FASTCOM-AP APNIC ALLOCATED NON-PORTABLE ● low
185.164.148.0 – 185.164.150.255 Fastcom LLC RIPE ALLOCATED PA ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
9.3% of checked blocks have valid RPKI ROA coverage (5 of 54)
Possible discrepancies (1)

These blocks are registered to Fastcom Limited 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.

2001:750:101::/56 /56 authorized for AS3302 — Retelit Digital Services S.p.A.

NIC Handles

AC2676-AP AF540-AP APNIC-HM AS18015 AS18015 BS462-AP BS462-AP CLOUDITALIA-MNT DUMY-RIPE DUMY-RIPE EDISONTEL-MNT FNLn1-AP +7 more