ASN Lookup Tool

ASN for TIANJIN Provincial Net of CT chinatelecom.cn CN CN 541 Routes

AS Data

AS17638

AS17638ASN for TIANJIN Provincial Net of CT

AS Number 17638
AS Name CHINATELECOM-TJ-AS-AP
Organization ASN for TIANJIN Provincial Net of CT()
Country CN
Website chinatelecom.cn
Number of IPv4 Routes 522
Number of IPv6 Routes 19
ASN type ISP
Registry APNIC
Date Allocated N/A

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Use ASN data for AS17638 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
180.213.28.0/24 256
123.150.7.0/24 256
106.47.19.0/24 256
106.47.60.0/24 256
221.238.141.0/24 256
42.81.78.0/24 256
106.47.116.0/24 256
123.151.173.0/24 256
36.106.236.0/22 1024
106.47.180.0/23 512

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17408 - AS17651'

as-block:       AS17408 - AS17651
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:  2019-01-08T23:22:27Z
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 'AS17638'

% Abuse contact for 'AS17638' is 'anti-spam@chinatelecom.cn'

aut-num:        AS17638
as-name:        CHINATELECOM-TJ-AS-AP
descr:          ASN for TIANJIN Provincial Net of CT
country:        CN
remarks:        For routing problems with this ASN contact the ADMIN-C
admin-c:        CH93-AP
tech-c:         YY246-AP
abuse-c:        AC1573-AP
notify:         yuyuan@cndata.com
mnt-lower:      MAINT-CHINANET-TJ
mnt-routes:     MAINT-CHINANET-TJ
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINANET-CN
last-modified:  2020-05-14T11:13:34Z
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 2025-11-13
mnt-by:         MAINT-CHINANET
last-modified:  2025-11-18T00:26:23Z
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 2025-11-13
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-13T14:15:15Z
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

person:         yuan yu
nic-hdl:        YY246-AP
e-mail:         yuyuan@cndata.com
address:        NO.31,jin-rong-jie ,Beijing
phone:          +86-10-66501167
fax-no:         +86-10-66501167
country:        CN
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:20Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number Description Country
AS10099 China Unicom Global HK
AS132536 China Telecom CN
AS4134 China Telecom Backbone CN
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN

Upstreams

AS Number Description Country
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN

Downstreams

AS Number Description Country
AS132536 China Telecom CN

Contacts

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Frequently Asked Questions

ASN AS17638 is an Autonomous System Number used to identify a network for BGP internet routing.
AS17638 is listed under ASN for TIANJIN Provincial Net of CT.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.