58542 CHINATELECOM-TIANJIN Tianjij,300000, CN
Adjacency: 4 Upstream: 1 Downstream: 3
Upstream Adjacent AS list
AS4134 CHINANET-BACKBONE No.31,Jin-rong Street, CN
Downstream Adjacent AS list
AS59019 BJKSCNET Beijing Kingsoft Cloud Internet Technology Co., Ltd, CN
AS45090 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN
AS137718 VOLCANO-ENGINE Beijing Volcano Engine Technology Co., Ltd., CN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2142 AS58542 ORG+TRN Originate: 115968 /15.18 Transit: 545024 /12.94 CHINATELECOM-TIANJIN Tianjij,300000, CN
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 % 3077 AS58542 CHINATELECOM-TIANJIN Tianjij,300000, CN 65 27 9 47 18 27.69% Prefix AS Path Aggregation Suggestion 42.81.0.0/16 3303 4134 58542 42.81.138.0/24 6939 4134 58542 42.81.168.0/22 6939 4134 58542 + Announce - aggregate of 42.81.168.0/23 (6939 4134 58542) and 42.81.170.0/23 (6939 4134 58542) 42.81.168.0/24 6939 4134 58542 - Withdrawn - aggregated with 42.81.169.0/24 (6939 4134 58542) 42.81.169.0/24 6939 4134 58542 - Withdrawn - aggregated with 42.81.168.0/24 (6939 4134 58542) 42.81.170.0/24 6939 4134 58542 - Withdrawn - aggregated with 42.81.171.0/24 (6939 4134 58542) 42.81.171.0/24 6939 4134 58542 - Withdrawn - aggregated with 42.81.170.0/24 (6939 4134 58542) 42.81.172.0/23 6939 4134 58542 + Announce - aggregate of 42.81.172.0/24 (6939 4134 58542) and 42.81.173.0/24 (6939 4134 58542) 42.81.172.0/24 6939 4134 58542 - Withdrawn - aggregated with 42.81.173.0/24 (6939 4134 58542) 42.81.173.0/24 6939 4134 58542 - Withdrawn - aggregated with 42.81.172.0/24 (6939 4134 58542) 43.241.180.0/22 6939 4134 58542 103.45.168.0/24 6939 4134 58542 103.197.0.0/24 2497 4837 4134 58542 103.197.2.0/23 2497 4837 4134 58542 + Announce - aggregate of 103.197.2.0/24 (2497 4837 4134 58542) and 103.197.3.0/24 (2497 4837 4134 58542) 103.197.2.0/24 2497 4837 4134 58542 - Withdrawn - aggregated with 103.197.3.0/24 (2497 4837 4134 58542) 103.197.3.0/24 2497 4837 4134 58542 - Withdrawn - aggregated with 103.197.2.0/24 (2497 4837 4134 58542) 103.233.4.0/22 6939 4134 58542 123.150.70.0/23 3303 4134 58542 123.150.72.0/23 3303 4134 58542 123.150.76.0/22 6939 4134 58542 123.150.174.0/24 3303 4134 58542 123.150.208.0/24 3303 4134 58542 123.151.8.0/21 3303 4134 58542 + Announce - aggregate of 123.151.8.0/22 (3303 4134 58542) and 123.151.12.0/22 (3303 4134 58542) 123.151.8.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.9.0/24 (3303 4134 58542) 123.151.9.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.8.0/24 (3303 4134 58542) 123.151.10.0/23 3303 4134 58542 - Withdrawn - aggregated with 123.151.8.0/23 (3303 4134 58542) 123.151.12.0/22 3303 4134 58542 - Withdrawn - aggregated with 123.151.8.0/22 (3303 4134 58542) 123.151.26.0/23 3303 4134 58542 123.151.39.0/24 3303 4134 58542 123.151.40.0/24 3303 4134 58542 123.151.42.0/24 3303 4134 58542 123.151.46.0/23 3303 4134 58542 + Announce - aggregate of 123.151.46.0/24 (3303 4134 58542) and 123.151.47.0/24 (3303 4134 58542) 123.151.46.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.47.0/24 (3303 4134 58542) 123.151.47.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.46.0/24 (3303 4134 58542) 123.151.48.0/20 3303 4134 58542 123.151.64.0/20 3303 4134 58542 + Announce - aggregate of 123.151.64.0/21 (3303 4134 58542) and 123.151.72.0/21 (3303 4134 58542) 123.151.64.0/21 3303 4134 58542 - Withdrawn - aggregated with 123.151.72.0/21 (3303 4134 58542) 123.151.72.0/22 3303 4134 58542 - Withdrawn - aggregated with 123.151.76.0/22 (3303 4134 58542) 123.151.76.0/22 3303 4134 58542 - Withdrawn - aggregated with 123.151.72.0/22 (3303 4134 58542) 123.151.92.0/22 3303 4134 58542 123.151.96.0/20 3303 4134 58542 123.151.137.0/24 3303 4134 58542 123.151.138.0/23 3303 4134 58542 + Announce - aggregate of 123.151.138.0/24 (3303 4134 58542) and 123.151.139.0/24 (3303 4134 58542) 123.151.138.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.139.0/24 (3303 4134 58542) 123.151.139.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.138.0/24 (3303 4134 58542) 123.151.144.0/24 3303 4134 58542 123.151.148.0/22 3303 4134 58542 123.151.152.0/22 3303 4134 58542 123.151.156.0/23 3303 4134 58542 123.151.158.0/24 3303 4134 58542 123.151.176.0/21 3303 4134 58542 + Announce - aggregate of 123.151.176.0/22 (3303 4134 58542) and 123.151.180.0/22 (3303 4134 58542) 123.151.176.0/22 3303 4134 58542 - Withdrawn - aggregated with 123.151.180.0/22 (3303 4134 58542) 123.151.180.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.181.0/24 (3303 4134 58542) 123.151.181.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.180.0/24 (3303 4134 58542) 123.151.182.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.183.0/24 (3303 4134 58542) 123.151.183.0/24 3303 4134 58542 - Withdrawn - aggregated with 123.151.182.0/24 (3303 4134 58542) 123.151.190.0/24 3303 4134 58542 180.213.48.0/20 3303 4134 58542 180.213.52.0/22 6939 4134 58542 180.213.56.0/21 3303 4134 58542 - Withdrawn - matching aggregate 180.213.48.0/20 3303 4134 58542 180.213.64.0/22 3303 4134 58542 180.213.100.0/22 3303 4134 58542 180.213.112.0/20 3303 4134 58542 180.213.240.0/20 3303 4134 58542 218.98.176.0/24 6939 4134 58542 218.98.192.0/24 6939 4134 58542 221.238.34.0/23 3303 4134 58542 + Announce - aggregate of 221.238.34.0/24 (3303 4134 58542) and 221.238.35.0/24 (3303 4134 58542) 221.238.34.0/24 3303 4134 58542 - Withdrawn - aggregated with 221.238.35.0/24 (3303 4134 58542) 221.238.35.0/24 3303 4134 58542 - Withdrawn - aggregated with 221.238.34.0/24 (3303 4134 58542) 221.238.41.0/24 3303 4134 58542 221.238.70.0/24 6939 4134 58542 221.238.73.0/24 6939 4134 58542 221.238.92.0/24 6939 4134 58542 221.238.94.0/24 6939 4134 58542
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS58542 60 More Specifics 63 Total Advertisements CHINATELECOM-TIANJIN Tianjij,300000, CN
42.81.0.0/16 42.80.0.0/15
42.81.168.0/24 42.80.0.0/15
42.81.169.0/24 42.80.0.0/15
42.81.170.0/24 42.80.0.0/15
42.81.171.0/24 42.80.0.0/15
42.81.172.0/24 42.80.0.0/15
42.81.173.0/24 42.80.0.0/15
113.31.29.0/24 113.31.0.0/16
113.31.31.0/24 113.31.0.0/16
113.31.88.0/23 113.31.0.0/16
123.150.70.0/23 123.150.0.0/15
123.150.72.0/23 123.150.0.0/15
123.150.76.0/22 123.150.0.0/15
123.150.174.0/24 123.150.0.0/15
123.150.208.0/24 123.150.0.0/15
123.151.8.0/24 123.150.0.0/15
123.151.9.0/24 123.150.0.0/15
123.151.10.0/23 123.150.0.0/15
123.151.12.0/22 123.150.0.0/15
123.151.26.0/23 123.150.0.0/15
123.151.36.0/24 123.150.0.0/15
123.151.37.0/24 123.150.0.0/15
123.151.38.0/24 123.150.0.0/15
123.151.39.0/24 123.150.0.0/15
123.151.40.0/24 123.150.0.0/15
123.151.41.0/24 123.150.0.0/15
123.151.42.0/24 123.150.0.0/15
123.151.43.0/24 123.150.0.0/15
123.151.44.0/24 123.150.0.0/15
123.151.45.0/24 123.150.0.0/15
123.151.46.0/24 123.150.0.0/15
123.151.47.0/24 123.150.0.0/15
123.151.48.0/20 123.150.0.0/15
123.151.64.0/21 123.150.0.0/15
123.151.72.0/22 123.150.0.0/15
123.151.76.0/22 123.150.0.0/15
123.151.92.0/22 123.150.0.0/15
123.151.96.0/20 123.150.0.0/15
123.151.137.0/24 123.150.0.0/15
123.151.138.0/24 123.150.0.0/15
123.151.139.0/24 123.150.0.0/15
123.151.144.0/24 123.150.0.0/15
123.151.148.0/22 123.150.0.0/15
123.151.152.0/22 123.150.0.0/15
123.151.156.0/23 123.150.0.0/15
123.151.158.0/24 123.150.0.0/15
123.151.176.0/22 123.150.0.0/15
123.151.180.0/24 123.150.0.0/15
123.151.181.0/24 123.150.0.0/15
123.151.182.0/24 123.150.0.0/15
123.151.183.0/24 123.150.0.0/15
123.151.190.0/24 123.150.0.0/15
180.213.240.0/20 180.212.0.0/15
221.238.34.0/24 221.238.0.0/16
221.238.35.0/24 221.238.0.0/16
221.238.41.0/24 221.238.0.0/16
221.238.70.0/24 221.238.0.0/16
221.238.73.0/24 221.238.0.0/16
221.238.92.0/24 221.238.0.0/16
221.238.94.0/24 221.238.0.0/16
180.213.48.0/20 180.212.0.0/15
180.213.52.0/22 180.212.0.0/15
180.213.64.0/22 180.212.0.0/15
180.213.100.0/22 180.212.0.0/15
180.213.112.0/20 180.212.0.0/15
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 123.151.36.0/24 Announced
+ 123.151.37.0/24 Announced
+ 123.151.38.0/24 Announced
+ 123.151.41.0/24 Announced
+ 123.151.43.0/24 Announced
+ 123.151.44.0/24 Announced
+ 123.151.45.0/24 Announced
- 180.213.48.0/20 Withdrawn
- 180.213.52.0/22 Withdrawn
- 180.213.64.0/22 Withdrawn
- 180.213.100.0/22 Withdrawn
- 180.213.112.0/20 Withdrawn
whois: 402551
IANA has recorded AS58542 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS58542\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS58368 - AS59391'
as-block: AS58368 - AS59391
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: 2011-08-10T06:21:41Z
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 'AS58542'
% Abuse contact for 'AS58542' is 'anti-spam@chinatelecom.cn'
aut-num: AS58542
as-name: CHINATELECOM-TIANJIN
descr: Tianjij,300000
country: CN
admin-c: CH93-AP
tech-c: CH93-AP
abuse-c: AC1573-AP
notify: Zhengzm@chinatelecom.cn
mnt-lower: MAINT-CHINANET
mnt-routes: MAINT-CHINANET-TJ
mnt-by: APNIC-HM
mnt-irt: IRT-CHINANET-CN
last-modified: 2020-05-25T00:11:10Z
source: APNIC
irt: IRT-CHINANET-CN
address: No.31 ,jingrong street,beijing
address: 100032
e-mail: anti-spam@chinatelecom.cn
abuse-mailbox: anti-spam@chinatelecom.cn
admin-c: CH93-AP
tech-c: CH93-AP
auth: # Filtered
remarks: anti-spam@chinatelecom.cn was validated on 2026-05-21
mnt-by: MAINT-CHINANET
last-modified: 2026-05-21T01:31:36Z
source: APNIC
role: ABUSE CHINANETCN
country: ZZ
address: No.31 ,jingrong street,beijing
address: 100032
phone: +000000000
e-mail: anti-spam@chinatelecom.cn
admin-c: CH93-AP
tech-c: CH93-AP
nic-hdl: AC1573-AP
remarks: Generated from irt object IRT-CHINANET-CN
remarks: anti-spam@chinatelecom.cn was validated on 2026-05-21
abuse-mailbox: anti-spam@chinatelecom.cn
mnt-by: APNIC-ABUSE
last-modified: 2026-05-21T01:32:00Z
source: APNIC
person: Chinanet Hostmaster
nic-hdl: CH93-AP
e-mail: anti-spam@chinatelecom.cn
address: No.31 ,jingrong street,beijing
address: 100032
phone: +86-10-58501724
fax-no: +86-10-58501724
country: CN
mnt-by: MAINT-CHINANET
last-modified: 2022-02-28T06:53:44Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)