Network · data from 2026-11-12
AS10204 NTT DATA Enterprise Internet Services - MY
Registry name: ARCNET-NTTMSC-MY - Arcnet NTT MSC ISP, MY · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS10204, 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.
| 203.115.208.0/20 | Valid | Nonecovered by 203.115.192.0/19 | 672 100% |
| 203.115.192.0/20 | Valid | Nonecovered by 203.115.192.0/19 | 2 0%low visibility |
| 203.115.192.0/18 | Valid | Other IRR onlyNTTCOM, RADB | 672 100% |
| 203.115.192.0/19 | Valid | Other IRR onlyNTTCOM | 671 100% |
| 2001:c18::/32 | Valid | Other IRR onlyNTTCOM | 635 100% |
| 103.51.50.0/24 | Valid | RIR databaseAPNIC | 672 100% |
| 103.51.51.0/24 | Valid | RIR databaseAPNIC | 672 100% |
| 103.229.32.0/22 | Valid | RIR databaseAPNIC, NTTCOM | 672 100% |
| 103.229.32.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 672 100% |
| 103.229.33.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 672 100% |
| 103.229.34.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 672 100% |
| 202.6.248.0/24 | Valid | RIR databaseAPNIC | 672 100% |
| 203.115.198.0/24 | Valid | RIR databaseAPNIC | 672 100% |
| 203.115.211.0/24 | Valid | RIR databaseAPNIC | 672 100% |
| 203.115.223.0/24 | Valid | RIR databaseAPNIC | 672 100% |
| 203.115.224.0/19 | Valid | RIR databaseAPNIC, NTTCOM | 671 100% |
| 43.231.224.0/22 | Valid | RIR databaseAPNIC | 669 99% |
| 45.115.220.0/22 | Valid | RIR databaseAPNIC | 669 99% |
| 103.51.50.0/23 | Valid | RIR databaseAPNIC | 669 99% |
| 146.88.196.0/22 | Valid | RIR databaseAPNIC, NTTCOM | 669 99% |
| 202.6.248.0/22 | Valid | RIR databaseAPNIC | 669 99% |
| 203.115.208.0/21 | Valid | RIR databaseAPNIC, NTTCOM | 669 99% |
| 203.115.236.0/24 | Valid | RIR databaseAPNIC | 669 99% |
| 203.115.237.0/24 | Valid | RIR databaseAPNIC | 669 99% |
| 103.51.48.0/23 | Valid | RIR databaseAPNIC | 667 99% |
| 103.229.32.0/23 | Valid | RIR databaseAPNIC | 667 99% |
| 203.78.200.0/22 | Valid | RIR databaseAPNIC | 667 99% |
| 203.115.199.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 667 99% |
| 203.115.200.0/24 | Valid | RIR databaseAPNIC | 667 99% |
| 203.115.201.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 667 99% |
| 203.115.225.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 667 99% |
| 203.115.226.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 667 99% |
| 203.115.238.0/24 | Valid | RIR databaseAPNIC, NTTCOM | 667 99% |
| 2402:1a80::/32 | Valid | RIR databaseAPNIC | 635 100% |
AS-SET
PeeringDB's irr_as_set for AS10204: AS10204:AS-GLOBAL. 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 (AS10204 isn't in the set, or no route object for AS10204 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 | AS10204 in it | Not covered |
|---|---|---|---|---|---|
| AS10204:AS-GLOBAL | APNIC | 17 | 1 | 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 150 are in fix.csv.
- Route object: none2
- Route object: RIR3
- Route object: not announced145
| Change | Prefix or set | Detail |
|---|---|---|
| Route object: none | 203.115.208.0/20 | No route object for it. A route object for 203.115.192.0/19 with origin AS10204 covers it (filters allowing more-specifics accept it). Add a route object with origin AS10204 in the RIR database for the space. |
| Route object: none | 203.115.192.0/20 | No route object for it. A route object for 203.115.192.0/19 with origin AS10204 covers it (filters allowing more-specifics accept it). Add a route object with origin AS10204 in the RIR database for the space. |
| Route object: RIR | 203.115.192.0/18 | Route object only in NTTCOM, RADB. Add it in the RIR database for the space. |
| Route object: RIR | 203.115.192.0/19 | Route object only in NTTCOM. Add it in the RIR database for the space. |
| Route object: RIR | 2001:c18::/32 | Route object only in NTTCOM. Add it in the RIR database for the space. |
Route objects not announced
Route objects with origin AS10204 whose prefix no peer sees AS10204 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 43.231.224.0/23 | APNIC | Valid |
| 43.231.224.0/24 | APNIC | Valid |
| 43.231.225.0/24 | APNIC | Valid |
| 43.231.226.0/23 | APNIC | Valid |
| 43.231.226.0/24 | APNIC | Valid |
| 43.231.227.0/24 | APNIC | Valid |
| 45.115.220.0/23 | APNIC | Valid |
| 45.115.220.0/24 | APNIC | Valid |
| 45.115.221.0/24 | APNIC | Valid |
| 45.115.222.0/23 | APNIC | Valid |
| 45.115.222.0/24 | APNIC | Valid |
| 45.115.223.0/24 | APNIC | Valid |
| 103.51.48.0/22 | APNIC | Valid |
| 103.51.48.0/24 | APNIC | Valid |
| 103.51.49.0/24 | APNIC | Valid |
| 103.229.34.0/23 | APNIC | Valid |
| 103.229.35.0/24 | APNIC, NTTCOM | Valid |
| 146.88.196.0/23 | APNIC | Valid |
| 146.88.196.0/24 | APNIC | Valid |
| 146.88.197.0/24 | APNIC | Valid |
| 146.88.198.0/23 | APNIC | Valid |
| 146.88.198.0/24 | APNIC | Valid |
| 146.88.199.0/24 | APNIC | Valid |
| 202.6.248.0/23 | APNIC | Valid |
| 202.6.249.0/24 | APNIC | Valid |
| 202.6.250.0/23 | APNIC | Valid |
| 202.6.250.0/24 | APNIC | Valid |
| 202.6.251.0/24 | APNIC | Valid |
| 203.78.200.0/23 | APNIC | Valid |
| 203.78.200.0/24 | APNIC | Valid |
| 203.78.201.0/24 | APNIC | Valid |
| 203.78.202.0/23 | APNIC | Valid |
| 203.78.202.0/24 | APNIC | Valid |
| 203.78.203.0/24 | APNIC | Valid |
| 203.115.192.0/21 | APNIC, NTTCOM | Valid |
| 203.115.192.0/22 | APNIC | Valid |
| 203.115.192.0/23 | APNIC | Valid |
| 203.115.192.0/24 | APNIC | Valid |
| 203.115.193.0/24 | APNIC | Valid |
| 203.115.194.0/23 | APNIC | Valid |
| 203.115.194.0/24 | APNIC, NTTCOM | Valid |
| 203.115.195.0/24 | APNIC | Valid |
| 203.115.196.0/22 | APNIC | Valid |
| 203.115.196.0/23 | APNIC | Valid |
| 203.115.196.0/24 | APNIC | Valid |
| 203.115.197.0/24 | APNIC | Valid |
| 203.115.198.0/23 | APNIC | Valid |
| 203.115.200.0/21 | APNIC | Valid |
| 203.115.200.0/22 | APNIC | Valid |
| 203.115.200.0/23 | APNIC | Valid |
| 203.115.202.0/23 | APNIC | Valid |
| 203.115.202.0/24 | APNIC | Valid |
| 203.115.203.0/24 | APNIC | Valid |
| 203.115.204.0/22 | APNIC | Valid |
| 203.115.204.0/23 | APNIC | Valid |
| 203.115.204.0/24 | APNIC | Valid |
| 203.115.205.0/24 | APNIC | Valid |
| 203.115.206.0/23 | APNIC | Valid |
| 203.115.206.0/24 | APNIC | Valid |
| 203.115.207.0/24 | APNIC | Valid |
| 203.115.208.0/22 | APNIC | Valid |
| 203.115.208.0/23 | APNIC | Valid |
| 203.115.208.0/24 | APNIC | Valid |
| 203.115.209.0/24 | APNIC | Valid |
| 203.115.210.0/23 | APNIC | Valid |
| 203.115.210.0/24 | APNIC | Valid |
| 203.115.212.0/22 | APNIC, NTTCOM | Valid |
| 203.115.212.0/23 | APNIC | Valid |
| 203.115.212.0/24 | APNIC | Valid |
| 203.115.213.0/24 | APNIC | Valid |
| 203.115.214.0/23 | APNIC | Valid |
| 203.115.214.0/24 | APNIC | Valid |
| 203.115.215.0/24 | APNIC, NTTCOM | Valid |
| 203.115.216.0/21 | APNIC | Valid |
| 203.115.216.0/22 | APNIC | Valid |
| 203.115.216.0/23 | APNIC | Valid |
| 203.115.216.0/24 | APNIC | Valid |
| 203.115.217.0/24 | APNIC | Valid |
| 203.115.218.0/23 | APNIC | Valid |
| 203.115.218.0/24 | APNIC | Valid |
| 203.115.219.0/24 | APNIC | Valid |
| 203.115.220.0/22 | APNIC | Valid |
| 203.115.220.0/23 | APNIC | Valid |
| 203.115.220.0/24 | APNIC | Valid |
| 203.115.221.0/24 | APNIC | Valid |
| 203.115.222.0/23 | APNIC, NTTCOM | Valid |
| 203.115.222.0/24 | APNIC, NTTCOM | Valid |
| 203.115.224.0/20 | APNIC | Valid |
| 203.115.224.0/21 | APNIC | Valid |
| 203.115.224.0/22 | APNIC | Valid |
| 203.115.224.0/23 | APNIC | Valid |
| 203.115.224.0/24 | APNIC, NTTCOM | Valid |
| 203.115.226.0/23 | APNIC | Valid |
| 203.115.227.0/24 | APNIC | Valid |
| 203.115.228.0/22 | APNIC | Valid |
| 203.115.228.0/23 | APNIC | Valid |
| 203.115.228.0/24 | APNIC | Valid |
| 203.115.229.0/24 | APNIC | Valid |
| 203.115.230.0/23 | APNIC | Valid |
| 203.115.230.0/24 | APNIC | Valid |
| 203.115.231.0/24 | APNIC | Valid |
| 203.115.232.0/21 | APNIC | Valid |
| 203.115.232.0/22 | APNIC | Valid |
| 203.115.232.0/23 | APNIC | Valid |
| 203.115.232.0/24 | APNIC | Valid |
| 203.115.233.0/24 | APNIC, NTTCOM | Valid |
| 203.115.234.0/23 | APNIC | Valid |
| 203.115.234.0/24 | APNIC | Valid |
| 203.115.235.0/24 | APNIC | Valid |
| 203.115.236.0/22 | APNIC | Valid |
| 203.115.236.0/23 | APNIC | Valid |
| 203.115.238.0/23 | APNIC | Valid |
| 203.115.239.0/24 | APNIC | Valid |
| 203.115.240.0/20 | APNIC | Valid |
| 203.115.240.0/21 | APNIC | Valid |
| 203.115.240.0/22 | APNIC | Valid |
| 203.115.240.0/23 | APNIC | Valid |
| 203.115.240.0/24 | APNIC | Valid |
| 203.115.241.0/24 | APNIC | Valid |
| 203.115.242.0/23 | APNIC | Valid |
| 203.115.242.0/24 | APNIC | Valid |
| 203.115.244.0/22 | APNIC | Valid |
| 203.115.244.0/23 | APNIC | Valid |
| 203.115.244.0/24 | APNIC, NTTCOM | Valid |
| 203.115.245.0/24 | APNIC, NTTCOM | Valid |
| 203.115.246.0/23 | APNIC | Valid |
| 203.115.246.0/24 | APNIC, NTTCOM | Valid |
| 203.115.247.0/24 | APNIC | Valid |
| 203.115.248.0/21 | APNIC | Valid |
| 203.115.248.0/22 | APNIC | Valid |
| 203.115.248.0/23 | APNIC | Valid |
| 203.115.248.0/24 | APNIC | Valid |
| 203.115.249.0/24 | APNIC | Valid |
| 203.115.250.0/23 | APNIC | Valid |
| 203.115.250.0/24 | APNIC | Valid |
| 203.115.251.0/24 | APNIC, NTTCOM | Valid |
| 203.115.252.0/22 | APNIC | Valid |
| 203.115.252.0/23 | APNIC | Valid |
| 203.115.252.0/24 | APNIC, NTTCOM | Valid |
| 203.115.253.0/24 | APNIC | Valid |
| 203.115.254.0/23 | APNIC | Valid |
| 203.115.254.0/24 | APNIC | Valid |
| 203.115.255.0/24 | APNIC | Valid |
| 2001:328::/32 | NTTCOM | No ROA |
| 2407:4000::/32 | NTTCOM | No ROA |
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.