Network · data from 2026-11-12
AS209300 TWD2 Education and Research Network
Registry name: TWD2-NET Wende Tan, CN · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS209300, 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.
| 44.30.120.0/24 | No ROA | Other IRR onlyRADB | 673 100% |
| 2a0c:b641:573::/48 | Valid | Nonecovered by 2a0c:b641:570::/44 | 636 100% |
| 2a05:1085::/32 | Valid | RIR databaseRIPE | 636 100% |
| 2404:f4c0:f001::/48 | Valid | RIR databaseAPNIC | 633 100% |
| 2404:f4c0:f002::/48 | Valid | RIR databaseAPNIC | 631 99% |
| 2404:f4c0:f000::/44 | Valid | RIR databaseAPNIC, RADB | 436 69% |
AS-SET
PeeringDB's irr_as_set for AS209300: AS209300:AS-CUSTOMERS. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS209300 isn't in the set, or no route object for AS209300 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.
| Name | Database | ASNs | Sets | AS209300 in it | Not covered |
|---|---|---|---|---|---|
| AS209300:AS-CUSTOMERS | RIPE | 6 | 2 | Yes | 0 |
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 35 are in fix.csv.
- ROA: none1
- Route object: none1
- Route object: RIR1
- Route object: not announced32
| Change | Prefix or set | Detail |
|---|---|---|
| ROA: none | 44.30.120.0/24 | No ROA covers it. Add a ROA for AS209300, maxLength 24. |
| Route object: RIR | 44.30.120.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: none | 2a0c:b641:573::/48 | No route object for it. A route object for 2a0c:b641:570::/44 with origin AS209300 covers it (filters allowing more-specifics accept it). Add a route object with origin AS209300 in the RIR database for the space. |
Route objects not announced
Route objects with origin AS209300 whose prefix no peer sees AS209300 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 2404:f4c0:f000::/45 | APNIC | Valid |
| 2404:f4c0:f000::/46 | APNIC | Valid |
| 2404:f4c0:f000::/47 | APNIC | Valid |
| 2404:f4c0:f000::/48 | APNIC | Valid |
| 2404:f4c0:f002::/47 | APNIC | Valid |
| 2404:f4c0:f003::/48 | APNIC | Valid |
| 2404:f4c0:f004::/46 | APNIC | Valid |
| 2404:f4c0:f004::/47 | APNIC | Valid |
| 2404:f4c0:f004::/48 | APNIC | Valid |
| 2404:f4c0:f005::/48 | APNIC | Valid |
| 2404:f4c0:f006::/47 | APNIC | Valid |
| 2404:f4c0:f006::/48 | APNIC | Valid |
| 2404:f4c0:f007::/48 | APNIC | Valid |
| 2404:f4c0:f008::/45 | APNIC | Valid |
| 2404:f4c0:f008::/46 | APNIC | Valid |
| 2404:f4c0:f008::/47 | APNIC | Valid |
| 2404:f4c0:f008::/48 | APNIC | Valid |
| 2404:f4c0:f009::/48 | APNIC | Valid |
| 2404:f4c0:f00a::/47 | APNIC | Valid |
| 2404:f4c0:f00a::/48 | APNIC | Valid |
| 2404:f4c0:f00b::/48 | APNIC | Valid |
| 2404:f4c0:f00c::/46 | APNIC | Valid |
| 2404:f4c0:f00c::/47 | APNIC | Valid |
| 2404:f4c0:f00c::/48 | APNIC | Valid |
| 2404:f4c0:f00d::/48 | APNIC | Valid |
| 2404:f4c0:f00e::/47 | APNIC | Valid |
| 2404:f4c0:f00e::/48 | APNIC | Valid |
| 2404:f4c0:f00f::/48 | APNIC | Valid |
| 2a0c:b641:570::/44 | RADB, RIPE | Valid |
| 2a0e:aa06:490::/44 | RIPE | Valid |
| 2a0e:aa06:49f::/48 | RIPE | Valid |
| 2a0e:b107:740::/44 | RIPE | Invalid: origin |
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.