Block 139.31.0.0
← back to the map index · 139.0.0.0/8
| Range | 139.31.0.0 - 139.31.255.255 |
|---|---|
| Prefix | 139.31.0.0/16 |
| Size | 65,536 addresses |
| Status | allocated — operator-held |
| Registry | arin |
| Country (delegation) | US |
| Date | 19900615 |
| Opaque id | 45fe880b68a8f2850ebdcfdc57b4556c |
| Block UUID | a740a771-4692-5270-8b21-1640748ce662 |
| Probes | 2,916 |
| RDAP state | own — the registry object is this block |
| RDAP service | rdap.arin.net |
| RDAP fetched | 2026-09-10T23:10:51Z |
| Flags | none |
RIR delegation record
| registry | arin |
|---|---|
| country | US |
| type | ipv4 |
| start | 139.31.0.0 |
| value | 65,536 |
| date | 19900615 |
| status | allocated |
| extensions | ['45fe880b68a8f2850ebdcfdc57b4556c'] |
RDAP summary
| handle | NET-139-31-0-0-2 |
|---|---|
| name | CLOUD-SVCS-139-031-AWS-EAST |
| type | ALLOCATION |
| parent handle | NET-139-31-0-0-1 |
| start address | 139.31.0.0 |
| end address | 139.31.255.255 |
| country | — |
| organization | DoD Network Information Center |
| events | {"last changed": "2025-08-29T13:48:34-04:00", "registration": "2025-08-29T13:48:34-04:00"} |
| entities | 1: registrant × 1 (contact details are not published) |
Probes in this block
2,916 probes; the first 60 are listed. An asterisk means phase 3 heard something back.
139.31.2.2 139.31.2.3 139.31.2.5 139.31.2.7 139.31.2.11 139.31.2.13 139.31.2.17 139.31.2.19 139.31.2.23 139.31.2.29 139.31.2.31 139.31.2.37 139.31.2.41 139.31.2.43 139.31.2.47 139.31.2.53 139.31.2.59 139.31.2.61 139.31.2.67 139.31.2.71 139.31.2.73 139.31.2.79 139.31.2.83 139.31.2.89 139.31.2.97 139.31.2.101 139.31.2.103 139.31.2.107 139.31.2.109 139.31.2.113 139.31.2.127 139.31.2.131 139.31.2.137 139.31.2.139 139.31.2.149 139.31.2.151 139.31.2.157 139.31.2.163 139.31.2.167 139.31.2.173 139.31.2.179 139.31.2.181 139.31.2.191 139.31.2.193 139.31.2.197 139.31.2.199 139.31.2.211 139.31.2.223 139.31.2.227 139.31.2.229 139.31.2.233 139.31.2.239 139.31.2.241 139.31.2.251 139.31.3.2 139.31.3.3 139.31.3.5 139.31.3.7 139.31.3.11 139.31.3.13
Who operates this: the layers, side by side
| Delegation file | allocated, US, 19900615 |
|---|---|
| Registry object | own — the registry object is this block |
| Routing | not recorded |
| Authorization | not recorded |
| DNS pointing here | not recorded |
| Certificate | none presented |
The registry's verbatim RDAP answer is kept in the local work product dataflow.out/02_ip_block.json and is not published, because it carries registrant contact details.