Network · data from 2026-11-12
AS1097 Core Transit 1097
Registry name: CORE-TRANSIT - Core Transit LLC, US · PeeringDB
16IPv4 routes
100.0% RPKI valid · 68.8% with a route object
8IPv6 routes
100.0% RPKI valid · 37.5% with a route object
0RPKI invalid
0 origin · 0 maxLength
0No ROA
10 with no route object for this origin
0Low visibility
seen by under 10% of full-table peers
11Route objects not announced
registered with origin AS1097, seen from no peer
Announced routes
Every prefix a peer of the route collectors sees with origin AS1097, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.
| 134.199.54.0/24 | Valid | Nonecovered by 134.199.54.0/23 | 673 100% |
| 134.199.56.0/24 | Valid | Nonecovered by 134.199.56.0/23 | 672 100% |
| 50.20.192.0/24 | Valid | Nonecovered by 50.20.192.0/23 | 671 100% |
| 50.20.195.0/24 | Valid | Nonecovered by 50.20.192.0/22 | 671 100% |
| 192.34.112.0/24 | Valid | Nonecovered by 192.34.112.0/23 | 670 100% |
| 2607:77c0:3000::/36 | Valid | Nonecovered by 2607:77c0::/32 | 636 100% |
| 2607:77c0:4000::/48 | Valid | Nonecovered by 2607:77c0::/32 | 636 100% |
| 2607:77c0:4001::/48 | Valid | Nonecovered by 2607:77c0::/32 | 636 100% |
| 2607:77c0:5000::/36 | Valid | Nonecovered by 2607:77c0::/32 | 636 100% |
| 2607:77c0:2000::/36 | Valid | Nonecovered by 2607:77c0::/32 | 634 100% |
| 2607:77c0:1000::/36 | Valid | Other IRR onlyRADB | 635 100% |
| 167.88.222.0/24 | Valid | RIR databaseARIN | 673 100% |
| 23.145.20.0/24 | Valid | RIR databaseARIN | 672 100% |
| 23.152.68.0/24 | Valid | RIR databaseARIN | 672 100% |
| 134.199.56.0/23 | Valid | RIR databaseARIN | 672 100% |
| 172.81.148.0/22 | Valid | RIR databaseARIN | 672 100% |
| 198.22.165.0/24 | Valid | RIR databaseARIN | 672 100% |
| 167.88.212.0/24 | Valid | RIR databaseARIN | 671 100% |
| 216.146.16.0/24 | Valid | RIR databaseARIN | 670 100% |
| 216.146.17.0/24 | Valid | RIR databaseARIN | 670 100% |
| 216.146.18.0/24 | Valid | RIR databaseARIN | 670 100% |
| 216.146.19.0/24 | Valid | RIR databaseARIN | 669 99% |
| 2602:81c:3000::/44 | Valid | RIR databaseARIN | 634 100% |
| 2602:81c:f000::/44 | Valid | RIR databaseARIN | 634 100% |
AS-SET
AS1097's PeeringDB record names no AS-SET.
Fix list
The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 22 are in fix.csv.
- Route object: none10
- Route object: RIR1
- Route object: not announced11
| Change | Prefix or set | Detail |
|---|---|---|
| Route object: none | 134.199.54.0/24 | No route object for it. A route object for 134.199.54.0/23 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 134.199.56.0/24 | No route object for it. A route object for 134.199.56.0/23 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 50.20.192.0/24 | No route object for it. A route object for 50.20.192.0/23 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 50.20.195.0/24 | No route object for it. A route object for 50.20.192.0/22 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 192.34.112.0/24 | No route object for it. A route object for 192.34.112.0/23 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 2607:77c0:3000::/36 | No route object for it. A route object for 2607:77c0::/32 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 2607:77c0:4000::/48 | No route object for it. A route object for 2607:77c0::/32 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 2607:77c0:4001::/48 | No route object for it. A route object for 2607:77c0::/32 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 2607:77c0:5000::/36 | No route object for it. A route object for 2607:77c0::/32 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: none | 2607:77c0:2000::/36 | No route object for it. A route object for 2607:77c0::/32 with origin AS1097 covers it (filters allowing more-specifics accept it). Add a route object with origin AS1097 in the RIR database for the space. |
| Route object: RIR | 2607:77c0:1000::/36 | Route object only in RADB. Add it in the RIR database for the space. |
Route objects not announced
Route objects with origin AS1097 whose prefix no peer sees AS1097 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 50.20.192.0/22 | ARIN | Valid |
| 50.20.192.0/23 | RADB | Valid |
| 50.20.194.0/24 | RADB | Valid |
| 134.199.54.0/23 | ARIN | Valid |
| 167.88.211.0/24 | ARIN | Valid |
| 192.34.112.0/23 | ARIN | Valid |
| 198.102.29.0/24 | ARIN | Valid |
| 216.146.16.0/22 | ARIN | Valid |
| 2606:6fc0::/32 | ARIN | Valid |
| 2607:77c0::/32 | ARIN | Valid |
| 2607:77c0::/36 | ARIN | Valid |
Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.