ISIF OU
Data as of 2026-09-05
BGP inherited
This organisation
| Netblocks | 141 · 6,659 IPv4 addresses |
| IPv6 | 114 prefixes (largest 2405:84c0:1000::/36) |
| Registered in | Hong Kong (23) · United Arab Emirates (1) · Germany (1) · LT (1) · United States (1) |
| Record ID | 231517703 |
| Registry | APNIC |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 26 shared RIR contact/maintainer handles |
| Registry names | 37 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
10 weekly snapshots · JSON
159
-11 netblocks since 2026-07-05
2026-07-05
peak 170
2026-08-30
IP Ranges (141)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 163.61.161.15/32 | ISIF Network | PEERINGDB | ASSIGNED | ● high |
| 163.61.161.16/32 | ISIF Backbone Networks | PEERINGDB | ASSIGNED | ● high |
| 185.1.155.124/32 | ISIF Network | PEERINGDB | ASSIGNED | ● high |
| 2401:f460:210::4743:1/128 | ISIF Backbone Networks | 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 |
| 2405:84c0:801a::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:801b::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8020::/44 | ISIF-NETWORK-IPV6-20241203 | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2405:84c0:8022::/47 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8024::/47 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8026::/47 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8028::/45 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8030::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8030::/44 | ISIF-NETWORK-IPV6-20241204 | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2405:84c0:8031::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8032::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8033::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8034::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8035::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:803f::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8040::/44 | ISIF-NETWORK-IPV6-20250801 | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2405:84c0:8040::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8046::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8047::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:804f::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8050::/44 | ISIF-NETWORK-IPV6-20251101 | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2405:84c0:8051::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8052::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:8054::/46 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2405:84c0:a100::/48 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0a:6040:ad00::/40 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0a:6040:ad00::/44 | ISIF-NETWORK-20231106 | RIPE | ASSIGNED | ● low |
| 2a0a:6040:ad10::/44 | ISIF-NETWORK-20230303 | RIPE | ASSIGNED | ● low |
| 2a0a:6040:ad20::/44 | ISIF-NETWORK-20230301 | RIPE | ASSIGNED | ● low |
| 2a0a:6040:ad30::/44 | ISIF-NETWORK-20230302 | RIPE | ASSIGNED | ● low |
| 2a0a:6040:ad40::/44 | ISIF-NETWORK-20231107 | RIPE | ASSIGNED | ● low |
| 2a0a:6040:cb00::/40 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0b:1187:1000::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0b:1187:2000::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0b:1187:3000::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0b:1187:4000::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0b:1187:5000::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:4400::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:4400::/40 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:4410::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:4420::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:4430::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:4440::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:4450::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:4460::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:4470::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:4480::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:4490::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:44a0::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:44b0::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:44c0::/44 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:6284:44d0::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:44e0::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a0f:6284:44f0::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6010::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6100::/40 | ISIF-NETWORK-20240401 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6110::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6200::/40 | ISIF-NETWORK-20240402 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6210::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6300::/40 | ISIF-NETWORK-20240403 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6310::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6400::/40 | ISIF-NETWORK-20240404 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6410::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6500::/40 | ISIF-NETWORK-20240405 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6510::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6600::/40 | ISIF-NETWORK-20240406 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6610::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6700::/40 | ISIF-NETWORK-20240407 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6710::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6800::/40 | ISIF-NETWORK-20240408 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6810::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6900::/40 | ISIF-NETWORK-20240409 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6910::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6a00::/40 | ISIF-NETWORK-20240410 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6a10::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6b00::/40 | ISIF-NETWORK-20240411 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6b10::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6c00::/40 | ISIF-NETWORK-20240412 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6c10::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6d00::/40 | ISIF-NETWORK-20240413 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6d10::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6e00::/40 | ISIF-NETWORK-20240414 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6e10::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7580:6f00::/40 | ISIF-NETWORK-20240415 | RIPE | ASSIGNED | ● low |
| 2a14:7580:6f10::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7581:a000::/36 | ISIF OU | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a14:7581:a000::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7581:a100::/44 | ISIF OU | BGP | ANNOUNCED | ● low |
| 2a14:7581:a270::/44 | ISIF-NETWORK-20250903-SE | RIPE | ALLOCATED-BY-LIR | ● low |
IPv6 ranges (114)
showing the 15 largest allocationsNetwork trust
what's this?
RPKI hygiene: A
how networks compare →
96.2%
of checked blocks have valid RPKI ROA coverage
(153 of 159)
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
AS4743
AS49304
CLOUDIE-MNT
CLOUDIE-MNT
DUMY-RIPE
DUMY-RIPE
HYEHOST-MNT
INN1-AP
INN1-AP
+14 more