ResearchRouting table, RPKI, IRR & looking glass

AS38631 LY Corporation

AS38631 (LINE) is registered to LY Corporation in JP, through APNIC. It originates 265 prefixes in the global routing table.

149
IPv4 prefixes
116
IPv6 prefixes
108,288
IPv4 addresses
100%
RPKI valid

Who holds AS38631

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS38631
Handle
LINE
Organization
LY Corporation
Country
JP
Registry
APNIC
ASPA
None published
WHOIS recordAPNIC
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS38627 - AS38656'

as-block:       AS38627 - AS38656
descr:          JPNIC-2Byte-ASBLOCK-AP
descr:          for assignment to JPNIC members
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can be
remarks:        queried at whois.nic.ad.jp. To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2009-11-19T01:11:45Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

% Information related to 'AS38631'

aut-num:        AS38631
as-name:        LINE
descr:          LY Corporation
import:         from AS2914 100 accept ANY
import:         from AS2516 100 accept ANY
import:         from AS2497 100 accept ANY
import:         from AS23576 100 accept ANY
export:         to AS2914 announce AS38631
export:         to AS2516 announce AS38631
export:         to AS2497 announce AS38631
export:         to AS23576 announce AS38631
country:        JP
admin-c:        JP00032461
tech-c:         JP00032461
last-modified:  2025-06-18T16:59:02Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)


What AS38631 announces

Prefixes originated by AS38631 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
149
IPv6 prefixes
116
IPv4 addresses
108,288 (423 /24s)
RPKI valid
265 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS38631
14
With an IRR route object
265 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (149)
43.223.0.0/1643.223.0.0/2443.223.1.0/2443.223.2.0/2443.223.3.0/2443.223.4.0/2443.223.5.0/2443.223.6.0/2443.223.7.0/2443.223.16.0/2443.223.17.0/2443.223.18.0/2443.223.19.0/2443.223.20.0/2443.223.21.0/2443.223.22.0/2443.223.23.0/2443.223.24.0/2443.223.25.0/2443.223.26.0/2443.223.28.0/2443.223.29.0/2443.223.30.0/2443.223.31.0/2443.223.32.0/2443.223.33.0/2443.223.34.0/2443.223.35.0/2443.223.36.0/2443.223.37.0/2443.223.38.0/2443.223.39.0/2443.223.40.0/2443.223.41.0/2443.223.42.0/2443.223.43.0/2443.223.44.0/2443.223.45.0/2443.223.46.0/2443.223.47.0/2443.223.64.0/2443.223.65.0/2443.223.66.0/2443.223.67.0/2443.223.68.0/2443.223.69.0/2443.223.70.0/2443.223.71.0/2443.223.72.0/2443.223.73.0/2443.223.74.0/2443.223.75.0/2443.223.76.0/2443.223.77.0/2443.223.78.0/2443.223.79.0/2443.223.80.0/2443.223.81.0/2443.223.82.0/2443.223.83.0/2443.223.84.0/2443.223.85.0/2443.223.86.0/2443.223.87.0/2443.223.88.0/2443.223.89.0/2443.223.90.0/2443.223.91.0/24103.2.28.0/24103.2.30.0/23103.2.30.0/24103.2.31.0/24119.235.224.0/24119.235.232.0/24119.235.235.0/24119.235.236.0/23119.235.236.0/24119.235.237.0/24147.92.128.0/17147.92.128.0/24147.92.129.0/24147.92.130.0/24147.92.131.0/24147.92.132.0/24147.92.133.0/24147.92.134.0/24147.92.135.0/24147.92.164.0/24147.92.165.0/24147.92.166.0/24147.92.167.0/24147.92.168.0/24147.92.169.0/24147.92.188.0/24147.92.194.0/24147.92.200.0/24147.92.201.0/24147.92.202.0/24147.92.203.0/24147.92.204.0/24147.92.205.0/24147.92.206.0/24147.92.207.0/24147.92.226.0/24147.92.233.0/24147.92.247.0/24147.92.248.0/24147.92.249.0/24147.92.250.0/24147.92.251.0/24147.92.252.0/24147.92.253.0/24147.92.254.0/24147.92.255.0/24203.104.128.0/20203.104.128.0/24203.104.129.0/24203.104.130.0/24203.104.131.0/24203.104.132.0/24
Show 29 more
IPv6 (116)
2400:dcc0::/322400:dcc0:a001::/482400:dcc0:a002::/482400:dcc0:a003::/482400:dcc0:a005::/482400:dcc0:a006::/482400:dcc0:a007::/482400:dcc0:a008::/482400:dcc0:a101::/482400:dcc0:a102::/482400:dcc0:a103::/482400:dcc0:a105::/482400:dcc0:a106::/482400:dcc0:a107::/482400:dcc0:a108::/482400:dcc0:a201::/482400:dcc0:a202::/482400:dcc0:a203::/482400:dcc0:a205::/482400:dcc0:a206::/482400:dcc0:a207::/482400:dcc0:a208::/482400:dcc0:a301::/482400:dcc0:a302::/482400:dcc0:a303::/482400:dcc0:a305::/482400:dcc0:a306::/482400:dcc0:a307::/482400:dcc0:a308::/482400:dcc0:a3a1::/482400:dcc0:a3a3::/482400:dcc0:a3a5::/482400:dcc0:a401::/482400:dcc0:a402::/482400:dcc0:a403::/482400:dcc0:a405::/482400:dcc0:a406::/482400:dcc0:a407::/482400:dcc0:a408::/482400:dcc0:a501::/482400:dcc0:a502::/482400:dcc0:a503::/482400:dcc0:a505::/482400:dcc0:a506::/482400:dcc0:a507::/482400:dcc0:a508::/482400:dcc0:a601::/482400:dcc0:a602::/482400:dcc0:a603::/482400:dcc0:a605::/482400:dcc0:a606::/482400:dcc0:a607::/482400:dcc0:a608::/482400:dcc0:a701::/482400:dcc0:a702::/482400:dcc0:a703::/482400:dcc0:a705::/482400:dcc0:a706::/482400:dcc0:a707::/482400:dcc0:a708::/482400:dcc0:a801::/482400:dcc0:a802::/482400:dcc0:a803::/482400:dcc0:a805::/482400:dcc0:a806::/482400:dcc0:a807::/482400:dcc0:a808::/482400:dcc0:a901::/482400:dcc0:a902::/482400:dcc0:a903::/482400:dcc0:a905::/482400:dcc0:a906::/482400:dcc0:a907::/482400:dcc0:a908::/482400:dcc0:aa01::/482400:dcc0:aa02::/482400:dcc0:aa03::/482400:dcc0:aa05::/482400:dcc0:aa06::/482400:dcc0:aa07::/482400:dcc0:aa08::/482400:dcc0:ab01::/482400:dcc0:ab02::/482400:dcc0:ab03::/482400:dcc0:ab05::/482400:dcc0:ab06::/482400:dcc0:ab07::/482400:dcc0:ab08::/482400:dcc0:ac01::/482400:dcc0:ac02::/482400:dcc0:ac03::/482400:dcc0:ac05::/482400:dcc0:ac06::/482400:dcc0:ac07::/482400:dcc0:ac08::/482400:dcc0:ad01::/482400:dcc0:ad02::/482400:dcc0:ad03::/482400:dcc0:ad05::/482400:dcc0:ad06::/482400:dcc0:ad07::/482400:dcc0:ad08::/482400:dcc0:ae01::/482400:dcc0:ae02::/482400:dcc0:ae03::/482400:dcc0:ae05::/482400:dcc0:ae06::/482400:dcc0:ae07::/482400:dcc0:ae08::/482400:dcc0:af01::/482400:dcc0:af02::/482400:dcc0:af03::/482400:dcc0:af05::/482400:dcc0:af06::/482400:dcc0:af07::/482400:dcc0:af08::/48

RPKI valid   RPKI invalid   no ROA covers it

Who AS38631 is reached through

The AS just before AS38631 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
JPIRRnhn-AS-jpMAINT-AS38631
NTTCOMnhn-AS-jpMAINT-AS38631

Route objects with origin AS38631: JPIRR 547 · NTTCOM 547 · RADB 2

as-sets that list AS38631 (21)