Network 146.189.128.0/21
Network Information
| Prefix | 146.189.128.0/21 |
|---|---|
| Announced As | 146.189.0.0/16 |
| Origin AS | AS5724 |
| CIDR | /21 |
| Total IPs | 2,048 |
| Usable IPs | 2,046 |
| IP Range | 146.189.128.0 - 146.189.135.255 |
| RPKI Status | NOT_FOUND # NO ROAS FOUND, OR RPKI VALIDATION NOT ENABLED FOR SOURCE |
| Registry | ARIN |
| Created | 2024-12-19 |
| Last Modified | 2024-12-19 |
AS Looking Glass
BGP paths to 146.189.128.0/21 (origin on the right, matching graph above)
All 16 BGP Paths
Complete list of all observed paths (origin on the right)
Hostnames in this Network
| 0001-ws-a003.ad.umassmed.edu |
| 0001-ws-a001.ad.umassmed.edu |
| 5191-ws-a029.ad.umassmed.edu |
| 0001-ws-a005.ad.umassmed.edu |
| 5191-lab-001.ad.umassmed.edu |
| 5191-ws-a087.ad.umassmed.edu |
| 0001-microscope.ad.umassmed.edu |
Raw WHOIS Data
route: 146.189.0.0/16 origin: AS5724 descr: UMASS Chan Prefix Advertisement- object admin-c: HOSTE28-ARIN tech-c: HOSTE28-ARIN mnt-by: MNT-UMMC-1-Z created: 2024-12-19T23:34:08Z last-modified: 2024-12-19T23:34:08Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.189.0.0/16 origin: AS198949 descr: UMassNET mnt-by: MAINT-AS198949 changed: eyal.even@securitydam.com 20250223 # 09:12 GMT source: RADB last-modified: 2025-02-23T09:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.189.0.0/16 descr: Markley Network Services LLC. origin: AS398427 mnt-by: MAINT-AS27506 changed: jesus.pacheco@crowncastle.com 20240703 source: RADB last-modified: 2024-07-03T17:08:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.189.128.0/21 descr: Markley Network Services LLC. origin: AS398427 mnt-by: MAINT-AS27506 changed: jesus.pacheco@crowncastle.com 20240703 source: RADB last-modified: 2024-07-03T17:08:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source