ISIF OU

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks133 · 6,914 IPv4 addresses
IPv6 105 prefixes (largest 2405:84c0:1000::/36)
Registered in Hong Kong (21) · United Arab Emirates (4) · Germany (1) · LT (1) · United States (1)
Cluster ID213850519
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 25 shared RIR contact/maintainer handles
Registry names 36 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
151 -19 netblocks since 2026-07-05
2026-07-05 peak 170 2026-07-26

IP Ranges (133)

showing 50 of 133 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
31.58.222.0/24 ISIF OU BGP ANNOUNCED ● high
31.58.223.0/24 ISIF OU BGP ANNOUNCED ● high
45.95.212.0/24 ISIF OU BGP ANNOUNCED ● high
151.240.12.0/24 ISIF OU BGP ANNOUNCED ● high
151.240.13.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.1.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.2.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.4.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.4.0/22 ISIF OU BGP ANNOUNCED ● high
152.175.5.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.6.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.7.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.8.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.9.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.10.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.11.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.12.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.12.0/22 ISIF OU BGP ANNOUNCED ● high
152.175.13.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.14.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.15.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.16.0/22 ISIF OU BGP ANNOUNCED ● high
152.175.34.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.65.0/24 ISIF OU BGP ANNOUNCED ● high
152.175.97.0/24 ISIF OU BGP ANNOUNCED ● high
163.61.161.15/32 ISIF Network PEERINGDB ASSIGNED ● high
185.1.155.124/32 ISIF Network PEERINGDB ASSIGNED ● high
194.231.149.0/24 ISIF OU BGP ANNOUNCED ● high
2001:df1:4580::/48 ISIF OU BGP ANNOUNCED ● high
2401:f460:210::20:9554:1/128 ISIF Network PEERINGDB ASSIGNED ● high
2404:f4c0:f70e:1980::209:554/128 ISIF Network PEERINGDB ASSIGNED ● high
2405:84c0:6f00::/40 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8001::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8003::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8004::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8005::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8007::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8011::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8012::/47 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8014::/47 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8015::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8016::/47 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8018::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:801a::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8022::/47 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8024::/47 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8026::/47 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8028::/45 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8030::/48 ISIF OU BGP ANNOUNCED ● high
2405:84c0:8031::/48 ISIF OU BGP ANNOUNCED ● high

IPv6 ranges (105)

showing the 15 largest allocations
CIDR
2405:84c0:1000::/36
2405:84c0:2000::/36
2405:84c0:4000::/36
2405:84c0:5000::/36
2a14:7581:a000::/36
2405:84c0:6800::/40
2405:84c0:6f00::/40
2a0a:6040:ad00::/40
2a0a:6040:cb00::/40
2a0f:6284:4400::/40
2a14:7580:6100::/40
2a14:7580:6200::/40
2a14:7580:6300::/40
2a14:7580:6400::/40
2a14:7580:6500::/40

Network trust

what's this?
RPKI hygiene: C how networks compare →
76.8% of checked blocks have valid RPKI ROA coverage (116 of 151)
Possible discrepancies (4)

These blocks are registered to ISIF OU but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2405:84c0:2000::/36 /36 authorized for AS139782 — IXPMOE Internet Exchange
2001:df1:4580::/48 /48 authorized for AS139618 — Zhuhai FuYuanLeYu Technology Limited
151.240.12.0/24 /24 authorized for AS20473 — The Constant Company, LLC
151.240.13.0/24 /24 authorized for AS20473 — The Constant Company, LLC

NIC Handles

AM2340-AP AS209554 AS209554 AS49304 CLOUDIE-MNT CLOUDIE-MNT DUMY-RIPE DUMY-RIPE HYEHOST-MNT INN1-AP INN1-AP ISIF-MNT +13 more