201.151.16.0/21

AS11172 · Alestra, S. de R.L. de C.V.

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Summary

Country	Mexico
Domain	alestra.com.mx
ASN	AS11172
Parent Range	201.151.0.0/16
Registry	LACNIC
ID	INA2

WHOIS Details

inetnum:     201.151.0.0/16
status:      allocated
aut-num:     AS6503
aut-num:     AS11172
owner:       Alestra, S. de R.L. de C.V.
ownerid:     MX-ALES-LACNIC
responsible: Pedro Armando Abdo Cantú
address:     AV MUNICH, 175, CUAUHTEMOC
address:     66450 - SAN NICOLAS DE LOS GARZA - NL
country:     MX
phone:       +52 81 87486201 [6201]
owner-c:     INA2
tech-c:      INA2
abuse-c:     INA2
inetrev:     201.151.0.0/16
nserver:     DNS.ALESTRA.NET.MX
nsstat:      20250427 AA
nslastaa:    20250427
nserver:     MAIL1.ALESTRA.NET.MX
nsstat:      20250427 AA
nslastaa:    20250427
nserver:     MAIL2.ALESTRA.NET.MX
nsstat:      20250427 AA
nslastaa:    20250427
created:     20050530
changed:     20050530

nic-hdl:     INA2
person:      Inet Administrator
e-mail:      inetadmin@alestra.net.mx
address:     Ave. Eugenio Clariond Garza, 175, Cuauhtemoc
address:     66450 - San Nicolas de los Garza - NL
country:     MX
phone:       +52  8008882662
created:     20030206
changed:     20250421

Overlapping Ranges

BGP prefixes that contain 201.151.16.0/21

Range	ASN	Company	Num of IPs
201.151.0.0/16	AS11172	Alestra, S. de R.L. de C.V.	65,536

Nearby Ranges

BGP prefixes that overlap with 201.151.0.0/16

Range	ASN	Company	Num of IPs
201.151.0.0/16	AS11172	Alestra, S. de R.L. de C.V.	65,536
201.151.150.0/24	AS11172	Assetel SA de CV	256
201.151.156.0/24	AS11172	Assetel SA de CV	256
201.151.177.0/24	AS11172	Assetel SA de CV	256
201.151.194.0/24	AS11172	Grupo Editorial Notmusa	256
201.151.150.0/24	AS265615	Assetel SA de CV	256
201.151.151.0/24	AS265615	Assetel SA de CV	256
201.151.156.0/24	AS265615	Assetel SA de CV	256
201.151.177.0/24	AS265615	Assetel SA de CV	256
201.151.178.0/24	AS265615	Assetel SA de CV	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
201.151.17.217	AS11172 Alestra, S. de R.L. de C.V.	`11.81ms` from Dallas, US
201.151.16.34	AS11172 Alestra, S. de R.L. de C.V.	`1.17ms` from Mexico City, MX
201.151.22.61	AS11172 Alestra, S. de R.L. de C.V.	`12.45ms` from Dallas, US
201.151.18.130	AS11172 Alestra, S. de R.L. de C.V.	`15.39ms` from Santiago de Queretaro, MX
201.151.20.97	AS11172 Alestra, S. de R.L. de C.V.	`0.61ms` from Santiago de Queretaro, MX
201.151.21.193	AS11172 Alestra, S. de R.L. de C.V.	`1.16ms` from Mexico City, MX
201.151.19.33	AS11172 Alestra, S. de R.L. de C.V.	`0.63ms` from Santiago de Queretaro, MX

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
91.58.10.165	AS3320 Deutsche Telekom AG	`3.75ms` from Berlin, DE
173.15.113.133	AS7922 Comcast Cable Communications, LLC	`5.35ms` from Chicago, US
96.88.158.117	AS7922 Comcast Cable Communications, LLC	`9.65ms` from Chicago, US
89.74.111.165	AS9141 P4 Sp. z o.o.	`4.58ms` from Gdynia, PL
60.12.4.53	AS4837 CHINA UNICOM China169 Backbone	`4.14ms` from Hangzhou, CN
121.121.224.133	AS9534 Binariang Berhad	`3.17ms` from Kuala Lumpur, MY
84.90.101.229	AS13156 NOWO COMMUNICATIONS, S.A.	`9.85ms` from Lisbon, PT
95.100.122.117	AS16625 Akamai Technologies, Inc.	`0.58ms` from Madrid, ES
99.117.110.213	AS7018 AT&T Enterprises, LLC	`17.13ms` from Miami, US
83.204.164.213	AS3215 Orange S.A.	`1.51ms` from Paris, FR
60.212.93.69	AS4837 CHINA UNICOM China169 Backbone	`8.00ms` from Qingdao, CN
217.221.121.165	AS8968 BT Italia S.p.A.	`1.37ms` from Rome, IT
45.152.212.5	AS49505 JSC Selectel	`1.19ms` from Saint Petersburg, RU
97.191.207.149	AS6167 Verizon Business	`13.82ms` from Santa Clara, US
216.87.235.21	AS4181 TDS TELECOM	`12.07ms` from Seattle, US
217.159.134.69	AS3249 Telia Eesti AS	`2.31ms` from Tallinn, EE
42.176.11.245	AS4837 CHINA UNICOM China169 Backbone	`4.17ms` from Tieling, CN
58.156.110.165	AS17506 ARTERIA Networks Corporation	`0.93ms` from Tokyo, JP
60.98.97.149	AS17676 SoftBank Corp.	`3.22ms` from Tokyo, JP
171.9.26.53	AS4134 CHINANET-BACKBONE	`4.46ms` from Zhengzhou, CN
4.245.98.197	AS8075 Microsoft Corporation	`0.20ms` from Amsterdam, NL
73.234.227.165	AS7922 Comcast Cable Communications, LLC	`10.91ms` from Boston, US
192.3.149.245	AS36352 HostPapa	`0.16ms` from Buffalo, US
147.0.155.37	AS10796 Charter Communications Inc	`1.70ms` from Cleveland, US
81.161.174.133	AS15516 DKTV A/S	`1.11ms` from Copenhagen, DK

Traceroute

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

traceroute -a -n -q1 -f7 201.151.16.143

traceroute to 201.151.16.143 (201.151.16.143): 64 hops max, 52 byte packets

7 [AS16509] 99.83.95.190 172.67 ms

8 *

9 *

10 [AS11172] 201.151.207.109 4.509 ms

11 *

12 [AS11172] 201.151.16.143 3.771 ms

Measurement taken from

IPinfo ProbeNet in Santiago de Queretaro, MX

On January 19th 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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