EXTREME TECHNOLOGY INC.
EXTREME COMMUNICATIONS TECHNOLOGY LIMITED
Data as of 2026-10-18
GLEIF verified
LEI
984500795G2CCFD4EB04
Registered name
EXTREME TECHNOLOGY INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 73 · 24,064 IPv4 addresses |
| Registered in | SC (36) · Germany (6) · Indonesia (5) · South Korea (4) · Canada (3) · Australia (3) |
| Record ID | 250152275 |
| Registry | AFRINIC |
| Owner jurisdiction | CA-ON |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 984500795G2CCFD4EB04 |
| Shared handles | clustered on 43 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (73)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 66.232.60.0/22 | Extreme Technology Corporation | ARIN | DIRECT ALLOCATION | ● high |
| 148.59.118.0/23 | Extreme Technology Corporation | ARIN | DIRECT ALLOCATION | ● high |
| 198.154.7.0/24 | Extreme Technology Corporation | ARIN | DIRECT ALLOCATION | ● high |
| 23.157.236.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 23.160.132.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.192.112.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.192.115.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.192.244.0/24 | EXTREME_COMMUNICATIONS_TECHNOLOGY_LIMITED | AFRINIC | ASSIGNED PA | ● low |
| 45.198.231.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.16.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.17.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.18.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.19.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.20.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.21.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.22.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.23.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.24.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.25.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.28.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.29.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.30.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.31.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.32.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.36.0/22 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.201.40.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 45.204.151.0/24 | EXTREME_COMMUNICATIONS_TECHNOLOGY_LIMITED | AFRINIC | ASSIGNED PA | ● low |
| 49.128.222.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 95.134.81.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 103.4.100.0/23 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 103.4.101.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 103.14.92.0/23 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 103.129.199.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 103.181.248.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 103.229.118.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 112.196.199.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 112.196.215.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 124.66.221.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 145.79.83.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 145.79.100.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 145.79.104.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 145.79.111.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 145.79.115.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 145.79.119.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 151.246.215.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 151.247.48.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 151.247.82.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 154.83.104.0/21 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.225.2.0/23 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.225.50.0/23 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.158.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.159.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.161.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.163.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.168.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.169.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.174.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.181.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.182.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.186.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 156.249.197.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 162.4.57.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 163.8.204.0/24 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 163.8.206.0/24 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 163.8.208.0/24 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 165.49.232.0/24 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | AFRINIC | ASSIGNED PA | ● low |
| 165.49.242.0/24 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | AFRINIC | ASSIGNED PA | ● low |
| 165.49.245.0/24 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | AFRINIC | ASSIGNED PA | ● low |
| 178.95.247.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 200.33.58.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 202.155.64.0/23 | EXTREME-COMMUNICATIONS-TECHNOLOGY-LIMITED | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 204.58.136.0/22 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
| 209.131.64.0/24 | EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | BGP | ANNOUNCED | ● low |
Footprint over time
17 weekly snapshots · JSON
76
+13 netblocks since 2026-07-05
2026-07-05
peak 84
2026-10-18
Network trust
what's this?
RPKI hygiene: A
how networks compare →
97.4%
of checked blocks have valid RPKI ROA coverage
(74 of 76)
Wholesale/transit re-announcements (36)
These blocks are registered to EXTREME COMMUNICATIONS TECHNOLOGY LIMITED 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.
| 66.232.60.0/22 /22 | authorized for AS32586 — Niagara Wireless Internet Co. |
| 103.4.100.0/23 /23 | authorized for AS138823 — PT. Trimitra Usaha Sejahtera |
| 103.14.92.0/23 /23 | authorized for AS395793 — Arisk Communications inc. |
| 148.59.118.0/23 /23 | authorized for AS32586 — Niagara Wireless Internet Co. |
| 162.4.57.0/24 /24 | authorized for AS10031 — WebSatMedia Pte Ltd |
| 45.192.244.0/24 /24 | authorized for AS2914 — NTT America, Inc. |
| 45.204.151.0/24 /24 | authorized for AS2914 — NTT America, Inc. |
| 23.157.236.0/24 /24 | authorized for AS402363 — KEYSTONE NETWORKS COMMUNICATIONS INC |
| 45.192.115.0/24 /24 | authorized for AS63099 — MADEALA TELECOM TECHNOLOGY INC |
| 45.198.231.0/24 /24 | authorized for AS63099 — MADEALA TELECOM TECHNOLOGY INC |
| 45.201.30.0/24 /24 | authorized for AS63099 — MADEALA TELECOM TECHNOLOGY INC |
| 45.201.31.0/24 /24 | authorized for AS63099 — MADEALA TELECOM TECHNOLOGY INC |
| 45.201.32.0/24 /24 | authorized for AS63099 — MADEALA TELECOM TECHNOLOGY INC |
| 103.4.101.0/24 /24 | authorized for AS138823 — PT. Trimitra Usaha Sejahtera |
| 103.129.199.0/24 /24 | authorized for AS135542 — LIGHT CLOUD TECHNOLOGY |
+21 more — see the REST API
NIC Handles
AI816-AP
AR834
AR834
AS10031
AS135542
AS138823
AS202036
AS38705
AS395793
AS402363
AW869-AP
BARNA79-ARIN
+31 more