UM-NET

Data as of 2026-10-04

BGP inherited

This organisation

Netblocks	19 · 70,581 IPv4 addresses
IPv6	1 prefix (largest 2001:720:1710::/48)
Registered in	Finland (10) · Spain (2) · Poland (2) · PK (1) · India (1) · Germany (1)
Also registered under this name	20 netblocks across 2 separate records
Record ID	245852893
Registry	APNIC
Customers	see who runs inside this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 19 shared RIR contact/maintainer handles
Registry names	5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (19)

⬇ 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
143.246.176.233/32	UM-NET	RIPE	LEGACY	● 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

CIDR
2001:720:1710::/48

15 weekly snapshots · JSON

19 +1 netblocks since 2026-07-05

2026-07-05 peak 19 2026-10-04

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um.es

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RPKI hygiene: B how networks compare →

84.2% of checked blocks have valid RPKI ROA coverage (16 of 19)

No discrepancies found among checked blocks.

AK1141-AP DATANET-NOC DUMY-RIPE DUMY-RIPE IRIS5-RIPE JH1655-AP JH1655-AP KISP3-AP KISP3-AP KNIC-MNT KTB MAINT-AS3352 +7 more