AnschlussWerk GmbH

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks37 · 25,605 IPv4 addresses
IPv6 13 prefixes (largest 2a05:fb80::/29)
Registered in Germany (28) · Austria (2) · Czechia (1)
Cluster ID222376681
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 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
45 +2 netblocks since 2026-07-05
2026-07-05 peak 45 2026-08-16

IP Ranges (37)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.154.171.0/24 AnschlussWerk GmbH BGP ANNOUNCED ● high
31.209.160.0/20 AnschlussWerk GmbH BGP ANNOUNCED ● high
31.220.112.0/21 AnschlussWerk GmbH BGP ANNOUNCED ● high
37.251.224.0/21 AnschlussWerk GmbH BGP ANNOUNCED ● high
37.251.232.0/21 AnschlussWerk GmbH BGP ANNOUNCED ● high
45.119.124.0/22 AnschlussWerk GmbH BGP ANNOUNCED ● high
46.253.64.0/20 AnschlussWerk GmbH BGP ANNOUNCED ● high
77.87.191.0/24 AnschlussWerk GmbH BGP ANNOUNCED ● high
80.81.194.104/32 AnschlussWerk PEERINGDB ASSIGNED ● high
91.198.136.0/24 AnschlussWerk GmbH BGP ANNOUNCED ● high
185.0.21.59/32 AnschlussWerk PEERINGDB ASSIGNED ● high
185.1.43.15/32 AnschlussWerk PEERINGDB ASSIGNED ● high
185.1.208.137/32 AnschlussWerk PEERINGDB ASSIGNED ● high
185.95.112.0/22 AnschlussWerk GmbH BGP ANNOUNCED ● high
185.114.140.0/22 AnschlussWerk GmbH BGP ANNOUNCED ● high
185.156.28.0/22 AnschlussWerk GmbH BGP ANNOUNCED ● high
185.170.244.0/22 AnschlussWerk GmbH BGP ANNOUNCED ● high
185.178.56.0/22 AnschlussWerk GmbH BGP ANNOUNCED ● high
185.206.121.0/24 AnschlussWerk GmbH BGP ANNOUNCED ● high
193.203.0.44/32 AnschlussWerk PEERINGDB ASSIGNED ● high
195.192.192.0/21 AnschlussWerk GmbH BGP ANNOUNCED ● high
195.192.200.0/21 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:678:42c::/48 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:678:e40::/48 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:67c:f00::/48 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:67c:ff8::/48 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:67c:10b0::/48 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:67c:2048::/48 AnschlussWerk GmbH BGP ANNOUNCED ● high
2001:7f8::7a55:0:1/128 AnschlussWerk PEERINGDB ASSIGNED ● high
2001:7f8:11::15/128 AnschlussWerk PEERINGDB ASSIGNED ● high
2001:7f8:30:0:2:1:3:1317/128 AnschlussWerk PEERINGDB ASSIGNED ● high
2001:7f8:44::7a55:0:2/128 AnschlussWerk PEERINGDB ASSIGNED ● high
2001:7f8:7f::c:59/128 AnschlussWerk PEERINGDB ASSIGNED ● high
2a05:fb80::/29 AnschlussWerk GmbH BGP ANNOUNCED ● high
2a0a:b900::/29 AnschlussWerk GmbH BGP ANNOUNCED ● high
37.251.224.0/20 AnschlussWerk GmbH RIPE ALLOCATED PA ● low
195.192.192.0/20 AnschlussWerk GmbH RIPE ALLOCATED PA ● low

IPv6 ranges (13)

CIDR
2a05:fb80::/29
2a0a:b900::/29
2001:678:42c::/48
2001:678:e40::/48
2001:67c:10b0::/48
2001:67c:2048::/48
2001:67c:f00::/48
2001:67c:ff8::/48
2001:7f8:11::15/128
2001:7f8:30:0:2:1:3:1317/128
2001:7f8:44::7a55:0:2/128
2001:7f8:7f::c:59/128
2001:7f8::7a55:0:1/128

Network trust

what's this?
RPKI hygiene: B how networks compare →
82.2% of checked blocks have valid RPKI ROA coverage (37 of 45)
Possible discrepancies (2)

These blocks are registered to AnschlussWerk GmbH 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.

5.154.171.0/24 /24 authorized for AS6718 — NAV COMMUNICATIONS SRL
5.154.171.0/24 /24 authorized for AS6718 — NAV COMMUNICATIONS SRL

NIC Handles

ANW-CONTACT-MNT ANW-RESOURCE-MNT ANW-RESOURCE-MNT ANW-ROUTING-MNT AS31317 AS31317 AS6718-MNT DUMY-RIPE DUMY-RIPE IN-MNT ORG-AG140-RIPE ORG-NCS28-RIPE +1 more