SeWiKom GmbH
Cluster stats
Netblocks35
All fragments 36 blocks across 2 clusters
Cluster ID191598259
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
35 0 netblocks since 2026-07-05
2026-07-05 peak 35 2026-07-06

IP Ranges (35)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.159.80.0/20 SeWiKom GmbH RIPE SUB-ALLOCATED PA ● high
5.159.80.0/22 SeWiKom GmbH BGP ANNOUNCED ● high
5.159.84.0/22 SeWiKom GmbH BGP ANNOUNCED ● high
46.167.40.0/21 SeWiKom GmbH BGP ANNOUNCED ● high
178.19.80.0/20 SeWiKom GmbH BGP ANNOUNCED ● high
185.54.116.0/22 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.64.0/23 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.66.0/23 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.68.0/22 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.72.0/22 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.76.0/23 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.78.0/23 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.80.0/20 SeWiKom GmbH BGP ANNOUNCED ● high
216.31.96.0/19 SeWiKom GmbH BGP ANNOUNCED ● high
2a00:f420:2000::/36 SeWiKom GmbH BGP ANNOUNCED ● high
2a00:f420:8040::/42 SeWiKom GmbH BGP ANNOUNCED ● high
2a00:f420:8080::/42 SeWiKom GmbH BGP ANNOUNCED ● high
46.167.40.0/21 SeWiKom GmbH RIPE ALLOCATED PA ● low
85.220.139.0/25 SEWIKOM-NET4 RIPE ASSIGNED PA ● low
85.220.188.0/24 SEWIKOM-NET1 RIPE ASSIGNED PA ● low
85.220.198.0/24 SEWIKOM-NET3 RIPE ASSIGNED PA ● low
178.19.80.0 – 178.19.95.239 sewikom_GmbH RIPE ASSIGNED PA ● low
178.19.80.0/20 SeWiKom GmbH RIPE ALLOCATED PA ● low
178.19.95.240/28 sewikom_GmbH RIPE ASSIGNED PA ● low
185.54.116.0/22 SeWiKom GmbH RIPE ALLOCATED PA ● low
185.54.116.15 – 185.54.116.149 sewikom_GmbH RIPE ASSIGNED PA ● low
185.54.116.150 – 185.54.119.255 sewikom_GmbH RIPE ASSIGNED PA ● low
212.90.136.0/24 SEWIKOM-NET2 RIPE ASSIGNED PA ● low
216.31.64.0/18 SeWiKom GmbH RIPE ALLOCATED PA ● low
216.31.64.0/23 sewikom_GmbH RIPE ASSIGNED PA ● low
216.31.68.0/22 sewikom_GmbH RIPE ASSIGNED PA ● low
216.31.72.0/22 sewikom_GmbH RIPE ASSIGNED PA ● low
216.31.80.0/20 sewikom_GmbH RIPE ASSIGNED PA ● low
216.31.96.0/19 sewikom_GmbH RIPE ASSIGNED PA ● low
2a00:f420::/32 SeWiKom GmbH RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
91.4% of checked blocks have valid RPKI ROA coverage (32 of 35)
Possible discrepancies (3)

These blocks are registered to SeWiKom 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.

85.220.188.0/24 /24 authorized for AS25394 — MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG
212.90.136.0/24 /24 authorized for AS25394 — MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG
85.220.198.0/24 /24 authorized for AS25394 — MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG

NIC Handles

AH9171-RIPE AS209040 DUMY-RIPE DUMY-RIPE MK-NETZDIENSTE-MNT MNT-TLN ORG-SG107-RIPE RIPE-NCC-HM-MNT SEWIKOM-MNT SEWIKOM-MNT