37918 ECL-INET NTT, Inc., JP
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS2497 IIJ Internet Initiative Japan Inc., JP
AS2907 SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1753 AS37918 ORIGIN Originate: 136448 /14.94 Transit: 0 /0.00 ECL-INET NTT, Inc., JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 4871 AS37918 ECL-INET NTT, Inc., JP 21 16 6 11 10 47.62% Prefix AS Path Aggregation Suggestion 129.60.0.0/16 4777 2907 37918 129.60.0.0/16 4777 2497 37918 + Announce - aggregate of 129.60.0.0/17 (4777 2497 37918) and 129.60.128.0/17 (4777 2497 37918) 129.60.0.0/17 4777 2497 37918 - Withdrawn - aggregated with 129.60.128.0/17 (4777 2497 37918) 129.60.128.0/17 4777 2497 37918 - Withdrawn - aggregated with 129.60.0.0/17 (4777 2497 37918) 192.68.235.0/24 4777 2497 37918 192.68.236.0/23 4777 2907 37918 192.68.236.0/22 4777 2497 37918 + Announce - aggregate of 192.68.236.0/23 (4777 2497 37918) and 192.68.238.0/23 (4777 2497 37918) 192.68.236.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.237.0/24 (4777 2497 37918) 192.68.237.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.236.0/24 (4777 2497 37918) 192.68.238.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.239.0/24 (4777 2497 37918) 192.68.239.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.238.0/24 (4777 2497 37918) 192.68.240.0/23 4777 2500 2907 37918 192.68.240.0/22 4777 2497 37918 + Announce - aggregate of 192.68.240.0/23 (4777 2497 37918) and 192.68.242.0/23 (4777 2497 37918) 192.68.240.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.241.0/24 (4777 2497 37918) 192.68.241.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.240.0/24 (4777 2497 37918) 192.68.242.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.243.0/24 (4777 2497 37918) 192.68.243.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.242.0/24 (4777 2497 37918) 192.68.244.0/23 4777 2497 37918 + Announce - aggregate of 192.68.244.0/24 (4777 2497 37918) and 192.68.245.0/24 (4777 2497 37918) 192.68.244.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.245.0/24 (4777 2497 37918) 192.68.245.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.244.0/24 (4777 2497 37918) 192.68.246.0/23 4777 2500 2907 37918 192.68.246.0/23 4777 2497 37918 + Announce - aggregate of 192.68.246.0/24 (4777 2497 37918) and 192.68.247.0/24 (4777 2497 37918) 192.68.246.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.247.0/24 (4777 2497 37918) 192.68.247.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.246.0/24 (4777 2497 37918) 192.68.248.0/23 4777 2497 37918 + Announce - aggregate of 192.68.248.0/24 (4777 2497 37918) and 192.68.249.0/24 (4777 2497 37918) 192.68.248.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.249.0/24 (4777 2497 37918) 192.68.249.0/24 4777 2497 37918 - Withdrawn - aggregated with 192.68.248.0/24 (4777 2497 37918)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS37918 19 More Specifics 21 Total Advertisements ECL-INET NTT, Inc., JP
129.60.0.0/17 129.60.0.0/16
129.60.128.0/17 129.60.0.0/16
192.68.236.0/23 192.68.236.0/22
192.68.236.0/24 192.68.236.0/22
192.68.237.0/24 192.68.236.0/22
192.68.238.0/24 192.68.236.0/22
192.68.239.0/24 192.68.236.0/22
192.68.240.0/23 192.68.240.0/21
192.68.240.0/24 192.68.240.0/21
192.68.241.0/24 192.68.240.0/21
192.68.242.0/24 192.68.240.0/21
192.68.243.0/24 192.68.240.0/21
192.68.244.0/24 192.68.240.0/21
192.68.245.0/24 192.68.240.0/21
192.68.246.0/23 192.68.240.0/21
192.68.246.0/24 192.68.240.0/21
192.68.247.0/24 192.68.240.0/21
192.68.248.0/24 192.68.248.0/23
192.68.249.0/24 192.68.248.0/23
whois: 402332
IANA has recorded AS37918 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS37918\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS37888 - AS37927'
as-block: AS37888 - AS37927
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 '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: 6 Cordelia Street
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: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS37918'
% Abuse contact for 'AS37918' is 'hostmaster@nic.ad.jp'
aut-num: AS37918
as-name: NTTV6NET
descr: NTT Software Innovation Center
descr: 3-9-11, Midori-cho, Musashino-shi, Tokyo, Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : pi-address-ml@hco.ntt.co.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-09-18T05:45:38Z
source: APNIC
irt: IRT-JPNIC-JP
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, japan
e-mail: hostmaster@nic.ad.jp
abuse-mailbox: hostmaster@nic.ad.jp
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
admin-c: JNIC1-AP
tech-c: JNIC1-AP
auth: # Filtered
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
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 'AS37918'
aut-num: AS37918
as-name: ECL-INET
descr: NTT, Inc.
import: from AS2914 100 accept ANY
import: from AS2514 100 accept ANY
import: from AS7521 100 accept ANY
export: to AS2914 announce AS37918
export: to AS2514 announce AS37918
export: to AS7521 announce AS37918
country: JP
admin-c: JP00084323
tech-c: JP00027990
last-modified: 2025-12-20T01:53:06Z
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-AU4)