IP-FD.net
Sign in
  1. Home
  2. Japan
  3. AS2511

AS2511 Nippon Telegraph and Telephone Corporation

Japan NTTV6NET APNIC 5 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
41,728
IPv6 /48 networks
0
RPKI
5 valid0 no ROA
Peers and downstreams
0

Holder

AS name
NTTV6NET
Description
NTT Software Innovation Center 3-9-11, Midori-cho, Musashino-shi, Tokyo, Japan
Organisation
Nippon Telegraph and Telephone Corporation
Abuse contact
Not published
Assigned
2002-04-04
Record last changed
2023-03-17 20:58 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS2518 BIGLOBE Inc. AS2518 · JP BIGLOBE Inc. AS173 AS173 AS173 · JP AS173 AS2511 Nippon Telegraph and Telephone Corporation AS2511 · JP Nippon Telegraph and …

Network health

Grade C · 65/100
pass Prefixes covered by valid ROAs
5 of 5 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
hostmaster@nic.ad.jp is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2023-03-17.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
Show this on your website
AS2511 health AS2511 RPKI
HTML
<a href="https://ip-fd.net/asn/2511"><img src="https://ip-fd.net/badge/asn/2511/health.svg" alt="AS2511 network health on IP-FD.net"></a>
Markdown
[![AS2511 network health](https://ip-fd.net/badge/asn/2511/health.svg)](https://ip-fd.net/asn/2511)
Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS2511
as-name:        CORE
handle:         AS2511
remarks:        Nippon Telegraph and Telephone Corporation
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical,administrative:TM68535JP
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
last changed:   2023-03-17T20:58:06Z
source:         APNIC (RDAP)