Autonomous System details
ISIF OU
AS209554 — isif.net
Summary
| Country |
 Estonia
|
| Organization | ISIF OU |
| Domain | isif.net |
| Number of IPv4 | 6,912 |
| Number of IPv6 | 1.7947× 1029 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | December 27, 2022 (about 3 years ago) |
| Updated | December 09, 2025 (about 10 months ago) |
IP Ranges
AS209554 announces 17 IPv4 ranges and 53 IPv6 ranges.
That's a total of 6,912 IPv4 addresses and 1.7947× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 45.95.212.0/24 |
ISIF
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.1.0/24 |
 Isif Network (hong Kong)
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.2.0/24 |
Isif Network (hong Kong)
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.4.0/23 |
SAKURA LINK LIMITED
|
512 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.6.0/23 |
SAKURA LINK LIMITED
|
512 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.8.0/23 |
SAKURA LINK LIMITED
|
512 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.10.0/23 |
SAKURA LINK LIMITED
|
512 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.12.0/24 |
SAKURA LINK LIMITED
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.13.0/24 |
SAKURA LINK LIMITED
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.14.0/24 |
SAKURA LINK LIMITED
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.16.0/22 |
SAKURA LINK LIMITED
|
1,024 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.20.0/22 |
SAKURA LINK LIMITED
|
1,024 | RIPE NCC | SUB-ALLOCATED PA |
| 152.175.33.0/24 |
 Isif Network (japan)
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.34.0/24 |
Isif Network (japan)
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.65.0/24 |
 Isif Network (singapore)
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.66.0/24 |
Isif Network (singapore) Alpha+
|
256 | RIPE NCC | ASSIGNED PA |
| 152.175.97.0/24 |
 Isif Network (los Angeles)
|
256 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:df1:4580::/48 |
 Zhuhai Fuyuanleyu Technology Limited
|
1.2089× 1024 | APNIC | ASSIGNED PORTABLE |
| 2405:84c0::/32 |
Fy-cn Global Network
|
7.9228× 1028 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0::/48 |
Fy-cn Global Network
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:2000::/36 |
Isif Network
|
4.9518× 1027 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:4000::/36 |
Isif Network
|
4.9518× 1027 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:5000::/36 |
Isif Network
|
4.9518× 1027 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:6800::/40 |
Isif Network
|
3.0949× 1026 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:6f00::/40 |
Isif Eu Network
|
3.0949× 1026 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8000::/44 |
Isif Network (singapore)
|
1.9343× 1025 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8001::/48 |
Isif Network (singapore)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8003::/48 |
Isif Network (singapore)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8004::/48 |
Isif Network (singapore)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8005::/48 |
Isif Network (singapore)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8007::/48 |
Isif Network (singapore)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8008::/47 |
Isif Network (singapore)
|
2.4179× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8010::/44 |
Isif Network (japan Tokyo)
|
1.9343× 1025 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8011::/48 |
Isif Network (japan Tokyo)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8012::/47 |
Isif Network (japan Tokyo)
|
2.4179× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8014::/46 |
Isif Network (japan Tokyo)
|
4.8357× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8018::/48 |
Isif Network (japan Tokyo)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:801a::/48 |
Isif Network (japan Tokyo)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:801b::/48 |
Isif Network (japan Tokyo)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8020::/44 |
Isif Network (hong Kong)
|
1.9343× 1025 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8022::/47 |
Isif Network (hong Kong)
|
2.4179× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8024::/47 |
Isif Network (hong Kong)
|
2.4179× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8026::/47 |
Isif Network (hong Kong)
|
2.4179× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8028::/45 |
Isif Network (hong Kong)
|
9.6714× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8030::/44 |
Isif Network (los Angeles)
|
1.9343× 1025 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8030::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8031::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8032::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8033::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8034::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8035::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:803f::/48 |
Isif Network (los Angeles)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8040::/44 |
Isif Network (hong Kong)
|
1.9343× 1025 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8040::/48 |
Isif Network (hong Kong)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8046::/48 |
Isif Network (hong Kong)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8047::/48 |
Isif Network (hong Kong)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:804f::/48 |
Isif Network (hong Kong)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8050::/44 |
 Isif Network (korea)
|
1.9343× 1025 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8051::/48 |
Isif Network (korea)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8052::/48 |
Isif Network (korea)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:8054::/46 |
Isif Network (korea)
|
4.8357× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:a000::/36 |
Isif Network (hong Kong Sar)
|
4.9518× 1027 | APNIC | ALLOCATED NON-PORTABLE |
| 2405:84c0:a100::/48 |
Isif Network (singapore)
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2a0a:6040:ad00::/40 |
ISIF-NETWORK-20231106
|
3.0949× 1026 | RIPE NCC | ASSIGNED |
| 2a0b:1187::/32 |
ISIF OU
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a0b:1187:1000::/44 |
Isif Customer Access (japan)
|
1.9343× 1025 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a0b:1187:2000::/44 |
 Isif Customer Access (taiwan)
|
1.9343× 1025 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a0b:1187:3000::/44 |
Isif Customer Access (united States)
|
1.9343× 1025 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a0b:1187:4000::/44 |
Isif Customer Access (singapore)
|
1.9343× 1025 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a0b:1187:5000::/44 |
Isif Customer Access (hong Kong)
|
1.9343× 1025 | RIPE NCC | ALLOCATED-BY-LIR |
Peers
AS209554 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS209554 connects to the global Internet via at least 2 upstream providers. In this setup, AS209554 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS209554 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS209554's role in extending Internet access beyond its own infrastructure.