Autonomous System details

AS139721

HeFei · chinatelecom.cn

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AS139721 – HeFei

Field	Value
Country	China
Website	chinatelecom.cn
Hosted domains	0
IPv4 addresses	2,048
IPv6 addresses	19,342,813,113,834,066,795,298,816
ASN type	Hosting
Registry	apnic
Allocated	6 years ago on Oct 15, 2019
Updated	5 years ago on Jun 15, 2021

Netblock	Company	Num of IPs
124.73.136.0/21	CHINANET anhui province network	2,048

Netblock	Company
240e:6:d800::/44	Chinatelecom networks with tens of high-end routers and switches

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WHOIS Details

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                                                ASHandle:       AS139721
                                                OrgID:          AS139721
                                                ASName:         AS139721
                                                ASNumber:       AS139721
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There are 4 peers for this ASN.

Peers	Name
AS4134	CHINANET-BACKBONE
AS55966	PSBCNET
AS56006	Shanghai Pudong Development Bank Co.,Ltd.
AS59068	Shanghai Pudong Development Bank Co.,Ltd.

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Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS4134	CHINANET-BACKBONE

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Downstreams

There are 3 downstreams for this ASN.

Downstreams	Name
AS55966	PSBCNET
AS56006	Shanghai Pudong Development Bank Co.,Ltd.
AS59068	Shanghai Pudong Development Bank Co.,Ltd.

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Pingable IPs

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

IP Address	ASN	Details
124.73.136.2	AS139721 HeFei	`6.11ms` from Huai'an, CN
240e:6:d800:3::2	AS139721 HeFei	`9.90ms` from Suzhou, CN
124.73.137.5	AS139721 HeFei	`5.72ms` from Huai'an, 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
4.157.123.217	AS8075 Microsoft Corporation	`0.36ms` from Ashburn, US
111.194.252.249	AS4808 China Unicom Beijing Province Network	`2.83ms` from Beijing, CN
73.253.48.57	AS7922 Comcast Cable Communications, LLC	`6.78ms` from Boston, US
201.72.80.233	AS4230 CLARO S.A.	`0.37ms` from Curitiba, BR
45.189.73.9	AS269573 F. S. Cometti	`12.97ms` from Fortaleza, BR
3.79.80.249	AS16509 Amazon.com, Inc.	`0.17ms` from Frankfurt am Main, DE
212.186.196.57	AS8412 T-Mobile Austria GmbH	`4.95ms` from Graz, AT
115.238.87.41	AS4134 CHINANET-BACKBONE	`3.95ms` from Hangzhou, CN
83.244.234.105	AS25180 Exponential-E Ltd.	`0.40ms` from London, GB
95.66.151.169	AS35645 Limited Liability Company "VLADINFO"	`3.34ms` from Moscow, RU
23.48.148.137	AS20940 Akamai International B.V.	`0.69ms` from Osaka, JP
89.29.105.73	AS30764 PODA a.s.	`5.39ms` from Prague, CZ
120.204.95.137	AS24400 Shanghai Mobile Communications Co.,Ltd.	`2.99ms` from Shanghai, CN
31.3.153.249	AS51430 AltusHost B.V.	`0.51ms` from Stockholm, SE
184.148.88.121	AS577 Bell Canada	`1.93ms` from Toronto, CA
65.175.7.89	AS3257 GTT Communications Inc.	`0.31ms` from Vancouver, CA
77.252.74.73	AS12741 Netia SA	`0.47ms` from Warsaw, PL
200.44.50.137	AS8048 CANTV Servicios, Venezuela	`9.46ms` from Willemstad, CW
73.100.231.217	AS7922 Comcast Cable Communications, LLC	`10.49ms` from Boston, US
75.204.192.25	AS6167 Verizon Business	`16.14ms` from Chicago, US
50.229.43.169	AS7922 Comcast Cable Communications, LLC	`1.27ms` from Denver, US
5.196.150.185	AS16276 OVH SAS	`0.08ms` from Gravelines, FR
212.139.236.9	AS13285 TalkTalk Communications Limited	`1.44ms` from London, GB
86.180.244.201	AS2856 British Telecommunications PLC	`4.22ms` from London, GB
80.117.57.137	AS3269 Telecom Italia S.p.A.	`1.75ms` from Milan, IT

Traceroute

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

traceroute -a -n -q1 -f4 124.73.136.2

traceroute to 124.73.136.2 (124.73.136.2): 64 hops max, 52 byte packets

4 [AS3549] 201.234.89.33 2.061 ms

5 [AS3356] 4.69.219.65 81.594 ms

6 [AS3356] 4.15.125.54 82.849 ms

7 *

8 *

9 *

10 *

11 [AS139721] 124.73.136.2 260.286 ms

Measurement taken from

IPinfo ProbeNet in Mexico City, MX

On January 19th 2026

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