ResearchRouting table, RPKI, IRR & looking glass

AS58542 Tianjij,300000

AS58542 (CHINATELECOM-TIANJIN) is registered to Tianjij,300000 in CN, through APNIC. It originates 75 prefixes in the global routing table.

65
IPv4 prefixes
10
IPv6 prefixes
111,104
IPv4 addresses
100%
RPKI valid

Who holds AS58542

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

AS number
AS58542
Handle
CHINATELECOM-TIANJIN
Organization
Tianjij,300000
Country
CN
Registry
APNIC
ASPA
None published
WHOIS recordAPNIC
% [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:        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 '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-US2)


What AS58542 announces

Prefixes originated by AS58542 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
65
IPv6 prefixes
10
IPv4 addresses
111,104 (434 /24s)
RPKI valid
75 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS58542
82
With an IRR route object
74 98%

Who AS58542 is reached through

The AS just before AS58542 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
APNICCHINATELECOM-TIANJINAPNIC-HM

Route objects with origin AS58542: RADB 90

as-sets that list AS58542 (4)