ISERV

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks10 · 1,700 IPv4 addresses
IPv6 4 prefixes (largest 2a00:1030:1001::/48)
Registered in Germany (2) · Hong Kong (1) · India (1) · Norway (1) · Russia (1)
All fragments 15 blocks across 2 clusters
Cluster ID213562877
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.185.200.0/23 ISERV APNIC ASSIGNED PORTABLE ● high
61.92.63.36/30 ISERV APNIC ASSIGNED NON-PORTABLE ● low
91.250.75.128/25 IServ-GmbH-NET RIPE ASSIGNED PA ● low
159.253.8.0 – 159.253.10.255 ISERV-NET1 RIPE ASSIGNED PA ● low
195.122.251.0/24 ISERV-NET RIPE ASSIGNED PA ● low
217.13.72.64/27 ISERV-NET RIPE ASSIGNED PA ● low
2a00:1030:1001::/48 ISERV-NET-V6 RIPE ALLOCATED-BY-LIR ● low
2a01:4f8:c0:3294::/64 ISERV-GMBH RIPE ASSIGNED ● low
2a01:4f8:2b01:884::/64 ISERV-GMBH RIPE ASSIGNED ● low
2a02:cbf3:216::/64 IServ-GmbH-NET1 RIPE ASSIGNED ● low

IPv6 ranges (4)

CIDR
2a00:1030:1001::/48
2a01:4f8:2b01:884::/64
2a01:4f8:c0:3294::/64
2a02:cbf3:216::/64

Network trust

what's this?
RPKI hygiene: C how networks compare →
60.0% of checked blocks have valid RPKI ROA coverage (6 of 10)
Possible discrepancies (2)

These blocks are registered to ISERV but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:1030:1001::/48 /48 authorized for AS24956 — Gaertner Datensysteme GmbH & Co. KG
103.185.200.0/23 /23 authorized for AS133675 — IAXN Telecom Pvt. Ltd.

NIC Handles

AS2119-MNT AS8580-MNT CH134-AP DUMY-RIPE DUMY-RIPE GDSI-MNT HOS-GUN ID91-AP ISERV-MNT LYSE-MNT MAINT-HK-CTI MAINT-IN-IRINN +3 more