TNGNET B.V.

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks208 · 67,846 IPv4 addresses
IPv6 27 prefixes (largest 2a05:e4c0::/29)
Registered in Netherlands (72) · United Kingdom (52) · United States (34) · Romania (20) · United Arab Emirates (4) · AG (3)
Cluster ID222379298
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 25 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

8 weekly snapshots · JSON
222 -1 netblocks since 2026-07-05
2026-07-05 peak 229 2026-08-16

IP Ranges (208)

showing 50 of 208 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
80.249.214.41/32 TNGNET B.V. PEERINGDB ASSIGNED ● high
109.239.136.170/32 TNGNET B.V. PEERINGDB ASSIGNED ● high
178.18.224.77/32 TNGNET B.V. PEERINGDB ASSIGNED ● high
178.18.236.242/32 TNGNET B.V. PEERINGDB ASSIGNED ● high
185.1.160.57/32 TNGNET B.V. PEERINGDB ASSIGNED ● high
185.1.240.205/32 TNGNET B.V. PEERINGDB ASSIGNED ● high
2001:7f8:1::a503:9521:1/128 TNGNET B.V. PEERINGDB ASSIGNED ● high
2001:7f8:10f::9a61:57/128 TNGNET B.V. PEERINGDB ASSIGNED ● high
2001:7f8:12a::205/128 TNGNET B.V. PEERINGDB ASSIGNED ● high
2001:b28:3ff::8c51:0:1/128 TNGNET B.V. PEERINGDB ASSIGNED ● high
2a03:5f80:4::224:77/128 TNGNET B.V. PEERINGDB ASSIGNED ● high
2a03:5f80:4:2::236:242/128 TNGNET B.V. PEERINGDB ASSIGNED ● high
51.241.28.0/22 TNGNET B.V. BGP ANNOUNCED ● medium
51.241.36.0/22 TNGNET B.V. BGP ANNOUNCED ● medium
51.241.68.0/22 TNGNET B.V. BGP ANNOUNCED ● medium
51.241.88.0/22 TNGNET B.V. BGP ANNOUNCED ● medium
78.143.232.0/22 TNGNET B.V. BGP ANNOUNCED ● medium
82.24.41.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.26.175.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.41.235.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.41.241.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.13.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.20.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.21.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.29.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.30.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.95.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.121.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.224.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.228.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.229.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.230.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.232.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.236.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
82.152.246.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
83.166.205.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
83.166.208.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
83.166.216.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.66.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.73.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.74.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.78.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.111.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.113.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.115.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.116.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.117.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.118.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
84.247.121.0/24 TNGNET B.V. BGP ANNOUNCED ● medium
91.149.229.0/24 TNGNET B.V. BGP ANNOUNCED ● medium

IPv6 ranges (27)

showing the 15 largest allocations

Domains hosted in this network

what's this?

Customer-delegated space

how is this classified?
Unclassified 210 (101.0%)
Operator infrastructure (named) 12 (5.8%)

Network trust

what's this?
RPKI hygiene: A how networks compare →
95.9% of checked blocks have valid RPKI ROA coverage (213 of 222)
Wholesale/transit re-announcements (34)

These blocks are registered to TNGNET B.V. but cryptographically authorized across 10 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.

5.22.204.0/22 /22 authorized for AS174 — Cogent Communications, LLC
5.22.204.0/22 /22 authorized for AS174 — Cogent Communications, LLC
212.107.4.0/22 /22 authorized for AS25098 — Netcalibre Ltd
188.220.12.0/22 /22 authorized for AS834 — IPXO LLC
193.57.94.0/23 /23 authorized for AS6830 — Liberty Global Europe Holding B.V.
83.229.113.0/24 /24 authorized for AS6830 — Liberty Global Europe Holding B.V.
83.229.23.0/24 /24 authorized for AS199218 — Proton AG
91.244.224.0/24 /24 authorized for AS61060 — NXTcom Nederland BV
185.90.221.0/24 /24 authorized for AS6830 — Liberty Global Europe Holding B.V.
185.90.222.0/24 /24 authorized for AS6830 — Liberty Global Europe Holding B.V.
185.90.223.0/24 /24 authorized for AS6830 — Liberty Global Europe Holding B.V.
45.95.42.0/24 /24 authorized for AS60117 — Host Sailor Ltd
45.95.43.0/24 /24 authorized for AS60117 — Host Sailor Ltd
82.47.198.0/24 /24 authorized for AS174 — Cogent Communications, LLC
82.47.199.0/24 /24 authorized for AS174 — Cogent Communications, LLC
+19 more — see the REST API

NIC Handles

AS174 AS213784 AS39521 AS39521 AS401152 AS44559 AS47690 DUMY-RIPE DUMY-RIPE HA3004-RIPE MARTON-MNT MNT-GCICOM +13 more