ISIF OU

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks136 · 6,658 IPv4 addresses
IPv6 110 prefixes (largest 2405:84c0:1000::/36)
Registered in Hong Kong (22) · United Arab Emirates (1) · Germany (1) · LT (1) · United States (1)
Cluster ID227144951
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

8 weekly snapshots · JSON
154 -16 netblocks since 2026-07-05
2026-07-05 peak 170 2026-08-16

IP Ranges (136)

showing 50 of 136 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
163.61.161.15/32 ISIF Network PEERINGDB ASSIGNED ● high
185.1.155.124/32 ISIF Network PEERINGDB ASSIGNED ● 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
2a0a:6040:ad80::/42 ISIF-NETWORK-20231105 RIPE ASSIGNED ● high
2a0c:b641:701::20:9554:1/128 ISIF Network PEERINGDB ASSIGNED ● high
31.58.223.0/24 ISIF OU BGP ANNOUNCED ● low
45.95.212.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.1.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.2.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.4.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.4.0/22 ISIF OU BGP ANNOUNCED ● low
152.175.5.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.6.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.7.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.8.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.9.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.10.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.11.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.12.0/22 ISIF OU BGP ANNOUNCED ● low
152.175.12.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.13.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.14.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.16.0/22 ISIF OU BGP ANNOUNCED ● low
152.175.33.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.34.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.65.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.66.0/24 ISIF OU BGP ANNOUNCED ● low
152.175.97.0/24 ISIF OU BGP ANNOUNCED ● low
194.231.149.0/24 ISIF OU BGP ANNOUNCED ● low
2001:df1:4580::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:1000::/36 ISIF-NETWORK-20231101 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:2000::/36 ISIF-NETWORK-20231101 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:4000::/36 ISIF-NETWORK-20231102 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:5000::/36 ISIF-NETWORK-20231103 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:6800::/40 ISIF-NETWORK-20230307 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:6f00::/40 ISIF-NETWORK-20230101 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:8000::/44 ISIF-NETWORK-IPV6-20241201 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:8001::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8003::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8004::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8005::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8007::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8010::/44 ISIF-NETWORK-IPV6-20241202 APNIC ALLOCATED NON-PORTABLE ● low
2405:84c0:8011::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8012::/47 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8014::/47 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8015::/48 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8016::/47 ISIF OU BGP ANNOUNCED ● low
2405:84c0:8018::/48 ISIF OU BGP ANNOUNCED ● low

IPv6 ranges (110)

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: A how networks compare →
97.4% of checked blocks have valid RPKI ROA coverage (150 of 154)
Possible discrepancies (33)

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
2a14:7580:6100::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6200::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6300::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6400::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6500::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6600::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6700::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6800::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6900::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6a00::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6b00::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6c00::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6d00::/40 /40 authorized for AS131630 — Lazco Corporation
2a14:7580:6e00::/40 /40 authorized for AS131630 — Lazco Corporation
+18 more — see the REST API

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