77.236.180.0/23

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	A1-180-SZ1

WHOIS Details

inetnum:        77.236.180.0 - 77.236.181.255
netname:        A1-180-SZ1
descr:          A1 Bulgaria EAD
geoloc:         42.42244277484683 25.6146240234375
country:        BG
admin-c:        SSS126-RIPE
tech-c:         SSS126-RIPE
status:         ASSIGNED PA
mnt-by:         AS13124-MNT
created:        2008-04-09T08:43:22Z
last-modified:  2018-05-30T07:36:57Z
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:          77.236.180.0/23
descr:          Blizoo Docsys SZ
origin:         AS13124
mnt-by:         AS13124-MNT
created:        2012-01-23T09:41:38Z
last-modified:  2012-01-23T09:41:38Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 77.236.180.0/23

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
77.236.178.0/23	AS13124	A1 Bulgaria EAD	512
77.236.164.0/23	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

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Pingable IPs

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

IP Address	ASN	Details
77.236.181.149	AS13124 A1 Bulgaria EAD	`6.87ms` from Sofia, BG
77.236.180.1	AS13124 A1 Bulgaria EAD	`4.13ms` 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
176.205.52.23	AS5384 Emirates Internet	`5.61ms` from Al Fujairah City, AE
173.48.133.87	AS701 Verizon Business	`2.18ms` from Boston, US
68.147.53.183	AS6327 Shaw Communications	`5.18ms` from Calgary, CA
130.163.69.119	AS668 United States Department of Defense (DoD)	`4.17ms` from Chicago, US
85.218.226.167	AS39642 Norlys Digital A/S	`7.86ms` from Copenhagen, DK
76.72.43.215	AS25921 LUS Fiber	`9.64ms` from Houston, US
58.124.51.183	AS9318 SK Broadband Co Ltd	`1.89ms` from Incheon, KR
139.162.228.7	AS63949 Akamai Connected Cloud	`0.76ms` from London, GB
6.15.7.103	AS668 United States Department of Defense (DoD)	`1.77ms` from Los Angeles, US
51.49.34.247	AS16509 Amazon.com, Inc.	`5.93ms` from Madrid, ES
80.95.214.247	AS35457 Etisalcom Bahrain Company W.L.L.	`2.48ms` from Manama, BH
138.73.149.151	AS611 NB-PEI Educational Computer Network	`15.64ms` from Montreal, CA
161.35.127.183	AS14061 DigitalOcean, LLC	`0.20ms` from New York City, US
98.87.114.247	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
211.170.173.247	AS3786 LG DACOM Corporation	`1.99ms` from Seoul, KR
194.193.38.151	AS7545 TPG Telecom Limited	`5.02ms` from Sydney, AU
89.236.232.119	AS34718 IST TELEKOM JV LLC	`0.55ms` from Tashkent, UZ
118.86.119.183	AS4721 JCOM Co., Ltd.	`12.92ms` from Tokyo, JP
174.95.65.87	AS577 Bell Canada	`1.61ms` from Toronto, CA
37.203.146.55	AS6079 RCN	`1.58ms` from Ashburn, US
35.166.221.119	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
95.170.240.151	AS16006 RUPKKI s.r.o.	`6.76ms` from Bratislava, SK
191.187.174.199	AS28573 Claro NXT Telecomunicacoes Ltda	`16.19ms` from Fortaleza, BR
217.227.217.135	AS3320 Deutsche Telekom AG	`3.61ms` from Frankfurt am Main, DE
62.224.159.71	AS3320 Deutsche Telekom AG	`3.96ms` from Nuernberg, 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 77.236.181.52

traceroute to 77.236.181.52 (77.236.181.52): 64 hops max, 52 byte packets

4 [AS8717] 77.236.168.9 4.389 ms

5 [AS8717] 77.236.168.10 4.589 ms

6 [AS13124] 77.236.181.52 9.161 ms

Measurement taken from

IPinfo ProbeNet in Sofia, BG

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.

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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