181.21.28.0/22

AS22927 · Telefonica de Argentina

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Summary

Country	Argentina
Domain	telefonica.com.ar
ASN	AS22927
Parent Range	181.20.0.0/14
Registry	LACNIC
ID	TEA

WHOIS Details

inetnum:     181.20.0.0/14
status:      allocated
aut-num:     AS22927
owner:       Telefonica de Argentina
ownerid:     AR-TEAR7-LACNIC
responsible: Luis Francisco Pérez Sánchez
address:     Av. Independencia, 169, PB
address:     1099 - Buenos Aires - CF
country:     AR
phone:       +54  8102220102 [0000]
owner-c:     TEA
tech-c:      TEA
abuse-c:     TEA
inetrev:     181.20.0.0/14
nserver:     DNS1.MRSE.COM.AR
nsstat:      20250829 AA
nslastaa:    20250829
nserver:     DNS2.MRSE.COM.AR [lame - not published]
nsstat:      20250829 ERR
nslastaa:    20250820
nserver:     DNS3.MRSE.COM.AR
nsstat:      20250829 AA
nslastaa:    20250829
nserver:     DNS4.MRSE.COM.AR [lame - not published]
nsstat:      20250829 ERR
nslastaa:    20250820
created:     20110113
changed:     20110113

nic-hdl:     TEA
person:      Telefonica de Argentina
e-mail:      [email protected]
address:     AV. ING. HUERGO, 723, 
address:     1065 - Capital Federal - BA
country:     AR
phone:       +54 11 43335000
created:     20030618
changed:     20250828

Overlapping Ranges

BGP prefixes that contain 181.21.28.0/22

Range	ASN	Company	Num of IPs
181.20.0.0/14	AS22927	Telefonica de Argentina	262,144

Nearby Ranges

BGP prefixes that overlap with 181.21.0.0/16

Range	ASN	Company	Num of IPs
181.20.0.0/14	AS22927	Telefonica de Argentina	262,144

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
181.21.28.122	angel.net.ar	1
181.21.31.112	redes.net.ar	1

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

Read more

Pingable IPs

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

IP Address	ASN	Details
181.21.31.200	AS22927 Telefonica de Argentina	`18.33ms` from Buenos Aires, AR
181.21.28.80	AS22927 Telefonica de Argentina	`18.12ms` from Buenos Aires, AR
181.21.29.58	AS22927 Telefonica de Argentina	`17.89ms` from Buenos Aires, AR
181.21.30.42	AS22927 Telefonica de Argentina	`18.06ms` from Buenos Aires, AR

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
77.175.176.54	AS1136 KPN B.V.	`2.71ms` from Amsterdam, NL
174.76.246.246	AS22773 Cox Communications Inc.	`0.32ms` from Atlanta, US
69.167.223.38	AS53435 JACKSON ENERGY AUTHORITY	`10.30ms` from Atlanta, US
99.185.121.22	AS7018 AT&T Enterprises, LLC	`7.14ms` from Atlanta, US
157.181.18.6	AS2012 ELTENET	`0.49ms` from Budapest, HU
109.56.246.6	AS44034 Hi3G Access AB	`6.82ms` from Copenhagen, DK
193.181.214.54	AS44803 Webdock.io ApS	`0.21ms` from Copenhagen, DK
72.182.204.214	AS11427 Charter Communications Inc	`4.53ms` from Dallas, US
132.248.133.54	AS278 Universidad Nacional Autonoma de Mexico	`1.14ms` from Mexico City, MX
35.138.168.6	AS33363 Charter Communications, Inc	`8.72ms` from Orlando, US
67.17.202.246	AS52468 UFINET PANAMA S.A.	`0.70ms` from Panama, PA
52.200.105.230	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
213.170.122.182	AS12418 Quantum CJSC	`11.31ms` from Saint Petersburg, RU
220.112.46.214	AS17623 China Unicom Shenzen network	`1.97ms` from Shenzhen, CN
217.142.185.198	AS31898 Oracle Corporation	`0.16ms` from Singapore, SG
202.100.188.182	AS4134 CHINANET-BACKBONE	`1.22ms` from UEruemqi, CN
71.140.203.198	AS7018 AT&T Enterprises, LLC	`6.77ms` from Atlanta, US
129.64.95.54	AS10561 Brandeis University	`0.99ms` from Boston, US
153.80.127.102	AS44559 IT HOSTLINE LTD	`0.13ms` from Bucharest, RO
209.79.172.22	AS7018 AT&T Enterprises, LLC	`6.49ms` from Chicago, US
34.10.34.134	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
70.124.187.86	AS11427 Charter Communications Inc	`6.53ms` from Dallas, US
68.88.84.182	AS7018 AT&T Enterprises, LLC	`2.61ms` from Dallas, US
20.67.173.22	AS8075 Microsoft Corporation	`0.16ms` from Dublin, IE
189.187.197.54	AS8151 UNINET	`5.64ms` from Guadalajara, MX

Traceroute

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

traceroute -a -n -q1 -f4 181.21.29.152

traceroute to 181.21.29.152 (181.21.29.152): 64 hops max, 52 byte packets

4 [AS7195] 200.25.51.68 0.615 ms

5 [AS7195] 200.25.50.81 1.703 ms

6 [AS7303] 181.96.120.145 0.896 ms

7 *

8 *

9 *

10 [AS22927] 181.21.29.152 20.895 ms

Measurement taken from

IPinfo ProbeNet in Buenos Aires, AR

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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