IP address ranges in Bulgaria

Bulgaria holds 7,533 IPv4 segments in the IP99 geolocation database, covering 4,293,495 addresses. In the 7 days to 27 October 2026 we newly captured 21,872 proxy-type addresses there.

Network usage types

The ratio of residential broadband to datacenter address space is the most direct indicator of what kind of proxy risk a region carries: a high datacenter share means datacenter proxies are more likely; a high residential share means home-broadband proxies and dial-up pools are.

Usage typeSegmentsShare
Residential broadband1,42247.0%
Mobile network77525.6%
Datacenter52817.4%
Gateway / NAT egress2448.1%
Education network361.2%
Government120.4%
CDN node60.2%
Organisation30.1%

Regions

RegionSegmentsShare
Sofia-Capital3,64548.4%
Plovdiv4726.3%
Varna4315.7%
Burgas3674.9%
Blagoevgrad2503.3%
Veliko Turnovo2343.1%
Pleven1822.4%
Sofia1662.2%
Haskovo1592.1%
Stara Zagora1512.0%
Ruse1341.8%
Pazardzhik1311.7%
Vratsa1201.6%
Gabrovo1101.5%
Shumen1011.3%
Dobrich871.2%
Kyustendil851.1%
Lovech811.1%
Montana811.1%
Sliven751.0%
Pernik741.0%
Targovishte640.8%
Kurdzhali590.8%
Silistra590.8%
Yambol580.8%
Razgrad480.6%
Vidin390.5%
Smolyan360.5%
Khaskovo180.2%
Sofiya160.2%

Cities

CitySegmentsShare
Sofia3,63448.2%
Varna3765.0%
Plovdiv3454.6%
Burgas1882.5%
Veliko Tŭrnovo1161.5%
Ruse1101.5%
Pleven971.3%
Nesebar781.0%
Stara Zagora751.0%
Haskovo630.8%
Shumen620.8%
Gabrovo600.8%
Sliven570.8%
Blagoevgrad560.7%
Pernik520.7%
Petrich520.7%
Dobrich510.7%
Pazardzhik510.7%
Dimitrovgrad490.7%
Samokov450.6%

Autonomous systems

An ASN identifies the operator of a network. Addresses under one ASN usually share risk characteristics, which is why risk controls often act on whole ASNs rather than single addresses. Operator names are not published here — the machine-readable identity is the ASN.

ASNSegments
AS88661,348
AS29580522
AS8717477
AS13124334
AS48031158
AS32934141
AS39184140
AS34224138
AS9070136
AS57344101

Look up a single address

Free, no signup: curl https://ip99.com/v1/ip/8.8.8.8 — see the API documentation.

Go deeper

What is my IP address? · How IP location works, and how accurate it is · What an IP address lookup can and cannot tell you