77.236.164.0/23

AS13124 · A1 Bulgaria EAD

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Summary

Country	Bulgaria
Domain	a1.bg
ASN	AS13124
Parent Range	77.236.160.0/19
Registry	RIPE
ID	A1-SZ-164

WHOIS Details

inetnum:        77.236.164.0 - 77.236.165.255
netname:        A1-SZ-164
descr:          A1 Bulgaria EAD
geoloc:         42.42244277484683 25.6146240234375
descr:          Stara Zagora
country:        BG
admin-c:        SSS126-RIPE
tech-c:         SSS126-RIPE
status:         ASSIGNED PA
mnt-by:         AS13124-MNT
created:        2008-03-10T16:26:25Z
last-modified:  2018-05-30T07:28:51Z
source:         RIPE
abuse-email:    RIPE.Abuse@a1.bg
abuse-c:        AR14215-RIPE
abuse-org:      ORG-MN1-RIPE

person:         Stoyan Stoyanov
org:            ORG-IL1-RIPE
address:        Bulgaria, Sofia, 1 Kukush street, area Ilinden, building M7
mnt-by:         AS13124-MNT
phone:          +359 88220
e-mail:         ripe.abuse@a1.bg
nic-hdl:        SSS126-RIPE
created:        2008-10-29T08:24:20Z
last-modified:  2022-01-11T06:27:12Z
source:         RIPE

route:          77.236.164.0/23
descr:          A1 BG
origin:         AS13124
mnt-by:         AS13124-MNT
created:        2012-01-23T09:38:23Z
last-modified:  2018-05-30T14:04:36Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 77.236.164.0/23

Range	ASN	Company	Num of IPs
77.236.160.0/19	AS8717	A1 Bulgaria EAD	8,192

Nearby Ranges

BGP prefixes that overlap with 77.236.0.0/16

Range	ASN	Company	Num of IPs
77.236.32.0/19	AS9113	VLANT LLC	8,192
77.236.160.0/19	AS8717	A1 Bulgaria EAD	8,192
77.236.192.0/19	AS42306	Edera Group a.s.	8,192
77.236.128.0/20	AS25019	Saudi Telecom Company JSC	4,096
77.236.120.0/21	AS198795	NIC (National Information Center)- SDAIA ( Saudi Data and Artificial Intelligence Authority )	2,048
77.236.172.0/22	AS13124	A1 Bulgaria EAD	1,024
77.236.160.0/22	AS13124	A1 Bulgaria EAD	1,024
77.236.98.0/23	AS200780	Eurofiber France SAS	512
77.236.180.0/23	AS13124	A1 Bulgaria EAD	512
77.236.178.0/23	AS13124	A1 Bulgaria EAD	512
77.236.178.0/23	AS8717	A1 Bulgaria EAD	512
77.236.176.0/23	AS13124	A1 Bulgaria EAD	512
77.236.170.0/23	AS13124	A1 Bulgaria EAD	512
77.236.95.0/24	AS41034	Ltd. SPAImpulse	256
77.236.166.0/24	AS13124	Vereya CMTS2	256
77.236.167.0/24	AS13124	A1 Bulgaria EAD	256
77.236.94.0/24	AS198774	Ltd. Regional Media Transit	256
77.236.232.0/24	AS12772	Enforta	256
77.236.233.0/24	AS21353	Enforta	256
77.236.169.0/24	AS13124	A1 Bulgaria EAD	256
77.236.71.0/24	AS41034	Ltd. SPAImpulse	256
77.236.91.0/24	AS41034	Ltd. SPAImpulse	256
77.236.92.0/24	AS41034	Ltd. SPAImpulse	256
77.236.93.0/24	AS41034	Ltd. SPAImpulse	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
77.236.164.1	AS13124 A1 Bulgaria EAD	`4.13ms` from Sofia, BG
77.236.165.120	AS13124 A1 Bulgaria EAD	`8.57ms` from Sofia, BG

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
51.81.30.23	AS16276 OVH SAS	`1.23ms` from Ashburn, US
96.255.77.7	AS701 Verizon Business	`2.89ms` from Ashburn, US
54.190.88.103	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
18.237.203.247	AS16509 Amazon.com, Inc.	`0.31ms` from Boardman, US
189.124.15.7	AS271727 INTERNET MAIS	`13.35ms` from Brasília, BR
196.74.234.231	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`3.27ms` from Casablanca, MA
34.132.31.103	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
178.142.53.7	AS9145 EWE TEL GmbH	`4.05ms` from Hamburg, DE
163.61.79.7	AS153579 PT Wirelessindo Solusi Teknologi	`0.34ms` from Jakarta, ID
37.34.191.23	AS42961 Mobile Telecommunications Company K.S.C.P.	`5.17ms` from Kuwait City, KW
51.14.111.199	AS2856 British Telecommunications PLC	`2.16ms` from London, GB
86.165.39.135	AS2856 British Telecommunications PLC	`8.63ms` from London, GB
112.210.130.103	AS9299 Philippine Long Distance Telephone Company	`2.33ms` from Manila, PH
32.210.197.231	AS46690 Southern New England Telephone Company and SNET America, Inc.	`9.43ms` from New York City, US
187.87.90.71	AS262520 Prefeitura Municipal de Alfenas	`13.24ms` from Rio de Janeiro, BR
1.99.34.151	AS4766 Korea Telecom	`2.43ms` from Seoul, KR
101.100.202.7	AS58621 Vodien Internet Solutions Pte Ltd	`1.26ms` from Singapore, SG
171.125.227.87	AS4837 CHINA UNICOM China169 Backbone	`6.08ms` from Taiyuan, CN
40.72.66.7	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	`3.24ms` from Tianjin, CN
48.218.81.183	AS8075 Microsoft Corporation	`0.15ms` from Tokyo, JP
207.255.73.55	AS11776 Breezeline	`15.54ms` from Ashburn, US
152.202.191.135	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`8.41ms` from Bogota, CO
80.200.193.247	AS5432 Proximus NV	`2.00ms` from Brussels, BE
125.86.179.215	AS4134 CHINANET-BACKBONE	`3.12ms` from Chongqing, CN
80.228.252.135	AS9145 EWE TEL GmbH	`3.24ms` from Hamburg, DE

Traceroute

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

traceroute -a -n -q1 -f4 77.236.164.1

traceroute to 77.236.164.1 (77.236.164.1): 64 hops max, 52 byte packets

4 [AS8717] 62.221.132.177 4.253 ms

5 [AS13124] 77.236.164.1 4.152 ms

Measurement taken from

IPinfo ProbeNet in Sofia, BG

On January 9th 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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