UM-NET

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks18 · 70,580 IPv4 addresses
IPv6 1 prefix (largest 2001:720:1710::/48)
Registered in Finland (10) · Spain (2) · Poland (2) · India (1) · KZ (1) · PK (1)
All fragments 19 blocks across 2 clusters
Cluster ID213451191
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 17 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
18 0 netblocks since 2026-07-05
2026-07-05 peak 18 2026-07-26

IP Ranges (18)

⬇ export CSV
CIDR Org name Registry Status Confidence
155.54.0.0/16 UM RIPE LEGACY ● high
62.71.8.144/28 UM-NET RIPE ASSIGNED PA ● low
85.128.56.240/29 UM RIPE ASSIGNED PA ● low
92.47.93.156/30 UM RIPE ASSIGNED PA ● low
103.216.135.240/29 UM APNIC ALLOCATED NON-PORTABLE ● low
193.209.177.0/24 UM-NET RIPE ASSIGNED PA ● low
194.137.204.0/22 UM-NET RIPE ASSIGNED PA ● low
194.215.12.204/30 UM-NET RIPE ASSIGNED PA ● low
194.215.110.0/23 UM-NET RIPE ASSIGNED PA ● low
194.215.112.0/22 UM-NET RIPE ASSIGNED PA ● low
194.215.116.0/22 UM-NET RIPE ASSIGNED PA ● low
194.251.40.0/23 UM-NET RIPE ASSIGNED PA ● low
195.57.35.48/30 um RIPE ASSIGNED PA ● low
195.156.36.0/24 UM-NET RIPE ASSIGNED PA ● low
195.156.190.0/24 UM-NET RIPE ASSIGNED PA ● low
203.76.138.40/29 SE-UM APNIC ASSIGNED NON-PORTABLE ● low
213.184.21.0/25 UM-NET RIPE ASSIGNED PA ● low
2001:720:1710::/48 UM RIPE ASSIGNED ● low

IPv6 ranges (1)

CIDR
2001:720:1710::/48

Domains hosted in this network

what's this?
um.es

Network trust

what's this?
RPKI hygiene: B how networks compare →
88.9% of checked blocks have valid RPKI ROA coverage (16 of 18)
No discrepancies found among checked blocks.

NIC Handles

AK1141-AP DATANET-NOC DUMY-RIPE DUMY-RIPE IRIS5-RIPE JH1655-AP JH1655-AP KISP3-AP KISP3-AP KNIC-MNT MAINT-AS3352 MAINT-IN-HCL +5 more