123.151.24.0/24

AS17638 · ASN for TIANJIN Provincial Net of CT

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Summary

Country	China
Domain	chinatelecom.cn
ASN	AS17638
Parent Range	123.150.0.0/15
Registry	APNIC
ID	TIANJIN-GUANGBODIANSHI-LTD

WHOIS Details

inetnum:        123.151.24.0 - 123.151.27.255
netname:        TIANJIN-GUANGBODIANSHI-LTD
descr:          GUANGBODIANSHI-LTD
descr:          TIANJIN CITY
country:        CN
admin-c:        AT370-AP
tech-c:         AT370-AP
abuse-c:        AC2531-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CHINANET-TJ
mnt-irt:        IRT-CHINANET-TJ
last-modified:  2022-01-12T13:25:16Z
source:         APNIC

irt:            IRT-CHINANET-TJ
address:        No.11 LIUJING ROAD ,HEDONG ,TIANJIN,CHINA
e-mail:         baijian.tj@chinatelecom.cn
abuse-mailbox:  baijian.tj@chinatelecom.cn
admin-c:        AT370-AP
tech-c:         AT370-AP
auth:           # Filtered
remarks:        baijian.tj@chinatelecom.cn
remarks:        baijian.tj@chinatelecom.cn was validated on 2025-11-21
mnt-by:         MAINT-CHINANET-TJ
last-modified:  2025-11-21T07:44:25Z
source:         APNIC

role:           ABUSE CHINANETTJ
country:        ZZ
address:        No.11 LIUJING ROAD ,HEDONG ,TIANJIN,CHINA
phone:          +000000000
e-mail:         baijian.tj@chinatelecom.cn
admin-c:        AT370-AP
tech-c:         AT370-AP
nic-hdl:        AC2531-AP
remarks:        Generated from irt object IRT-CHINANET-TJ
remarks:        baijian.tj@chinatelecom.cn was validated on 2025-11-21
abuse-mailbox:  baijian.tj@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-21T07:45:04Z
source:         APNIC

person:         admin tjtele
nic-hdl:        AT370-AP
e-mail:         tjipback@yahoo.com
address:        No.11 LIUJING ROAD ,HEDONG ,TIANJIN,CHINA
phone:          +86-22-85580499
fax-no:         +86-22-85580970
country:        CN
mnt-by:         MAINT-CHINANET-TJ
last-modified:  2014-04-01T03:31:13Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 123.151.24.0/24

Range	ASN	Company	Num of IPs
123.150.0.0/15	AS17638	CHINANET TIANJIN PROVINCE NETWORK	131,072
123.150.0.0/15	AS4809	CHINANET TIANJIN PROVINCE NETWORK	131,072
123.150.0.0/15	AS58542	CHINANET TIANJIN PROVINCE NETWORK	131,072

Nearby Ranges

BGP prefixes that overlap with 123.151.0.0/16

Range	ASN	Company	Num of IPs
123.150.0.0/15	AS17638	CHINANET TIANJIN PROVINCE NETWORK	131,072
123.150.0.0/15	AS4809	CHINANET TIANJIN PROVINCE NETWORK	131,072
123.150.0.0/15	AS58542	CHINANET TIANJIN PROVINCE NETWORK	131,072
123.151.48.0/20	AS58542	GUOXINBEILIN-LTD	4,096
123.151.96.0/20	AS58542	GUOXINBEILIN-LTD	4,096
123.151.128.0/21	AS17638	GUOXINBEILIN-LTD	2,048
123.151.152.0/22	AS58542	HAOWEIGAOKE-LTD	1,024
123.151.92.0/22	AS58542	JUNDETONGXUN-LTD	1,024
123.151.148.0/22	AS58542	HAOWEIGAOKE-LTD	1,024
123.151.146.0/24	AS17638	XINXIGANG-LTD	256
123.151.21.0/24	AS17638	TIANJINDAXUE-SCHOOL	256
123.151.144.0/24	AS58542	TIANJINCHANGKUAN-LTD	256
123.151.147.0/24	AS17638	HAOWEIGAOKE-LTD	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

5 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
123.151.24.185	AS17638 ASN for TIANJIN Provincial Net of CT	`4.70ms` from Tianjin, CN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
154.250.95.88	AS36947 Telecom Algeria	`14.08ms` from Algiers, DZ
162.220.49.216	AS46562 Performive LLC	`0.15ms` from Atlanta, US
99.170.211.152	AS7018 AT&T Enterprises, LLC	`11.45ms` from Atlanta, US
213.212.230.152	AS24835 Vodafone Data	`11.51ms` from Cairo, EG
222.100.55.40	AS4766 Korea Telecom	`0.96ms` from Incheon, KR
93.62.255.72	AS12874 Fastweb SpA	`0.55ms` from Milan, IT
203.229.183.232	AS4766 Korea Telecom	`0.91ms` from Seoul, KR
163.27.249.248	AS1659 Taiwan Academic Network (TANet) Information Center	`5.43ms` from Taichung, TW
116.82.72.232	AS2527 Sony Network Communications Inc.	`1.17ms` from Tokyo, JP
27.8.2.40	AS4837 CHINA UNICOM China169 Backbone	`1.79ms` from Chongqing, CN
74.128.66.184	AS10796 Charter Communications Inc	`18.08ms` from Cleveland, US
136.143.182.56	AS2639 ZOHO	`0.47ms` from Dallas, US
79.220.123.200	AS3320 Deutsche Telekom AG	`4.70ms` from Duesseldorf, DE
89.247.39.72	AS8881 1&1 Versatel GmbH	`5.51ms` from Duesseldorf, DE
23.112.92.120	AS7018 AT&T Enterprises, LLC	`3.44ms` from Kansas City, US
185.238.145.24	AS209906 Fibrasur Operadores S.L.	`8.25ms` from Madrid, ES
42.150.141.104	AS9824 JCOM Co., Ltd.	`18.31ms` from Osaka, JP
77.240.99.56	AS42189 Druzstvo EUROSIGNAL	`0.88ms` from Prague, CZ
59.19.112.72	AS4766 Korea Telecom	`6.66ms` from Seoul, KR
13.53.165.216	AS16509 Amazon.com, Inc.	`0.12ms` from Stockholm, SE
123.190.157.72	AS4837 CHINA UNICOM China169 Backbone	`3.14ms` from Tieling, CN
114.159.65.184	AS4713 NTT DOCOMO BUSINESS,Inc.	`15.63ms` from Tokyo, JP
223.217.231.56	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.23ms` from Tokyo, JP
44.245.100.248	AS16509 Amazon.com, Inc.	`0.53ms` from Boardman, US
107.194.170.56	AS7018 AT&T Enterprises, LLC	`10.64ms` from Chicago, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f3 123.151.24.185

traceroute to 123.151.24.185 (123.151.24.185): 64 hops max, 52 byte packets

3 [AS749] 11.254.129.49 1.084 ms

4 [AS749] 11.62.83.157 1.682 ms

5 *

6 [AS141679] 106.63.0.169 1.562 ms

7 [AS141679] 106.63.121.77 0.539 ms

8 [AS141679] 106.63.120.45 3.899 ms

9 [AS17638] 219.150.49.178 4.723 ms

10 [AS17638] 219.150.38.214 5.61 ms

11 *

12 [AS17638] 123.151.24.185 5.031 ms

Measurement taken from

IPinfo ProbeNet in Tianjin, CN

On January 30th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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