IP address ranges in Bulgaria

Bulgaria holds 7,338 IPv4 segments in the IP99 geolocation database, covering 4,280,997 addresses. In the 4 days to 12 September 2026 we newly captured 11,730 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 broadband1,42147.2%
Mobile network77425.7%
Datacenter51917.2%
Gateway / NAT egress2428.0%
Education network351.2%
Government120.4%
CDN node60.2%
Organisation30.1%

Regions

RegionSegmentsShare
Sofia-Capital3,57848.8%
Plovdiv4586.2%
Varna4506.1%
Burgas3284.5%
Blagoevgrad2313.1%
Veliko Tarnovo1832.5%
Pleven1762.4%
Haskovo1682.3%
Sofia1542.1%
Ruse1452.0%
Stara Zagora1401.9%
Pazardzhik1221.7%
Vratsa1161.6%
Shumen1021.4%
Gabrovo971.3%
Dobrich821.1%
Sliven821.1%
Kyustendil801.1%
Lovech781.1%
Montana781.1%
Pernik781.1%
Silistra560.8%
Targovishte550.7%
Yambol550.7%
Veliko Turnovo530.7%
Smolyan450.6%
Razgrad410.6%
Kurdzhali380.5%
Vidin290.4%
Kardzhali180.2%
Khaskovo110.1%
Sofia (stolitsa)70.1%
Sofiya40.1%

Cities

CitySegmentsShare
Sofia3,56748.6%
Varna3905.3%
Plovdiv3194.3%
Burgas1772.4%
Ruse1191.6%
Veliko Tŭrnovo1161.6%
Pleven841.1%
Haskovo751.0%
Gabrovo670.9%
Sliven630.9%
Dobrich610.8%
Stara Zagora590.8%
Nesebar580.8%
Pernik580.8%
Shumen540.7%
Blagoevgrad510.7%
Pazardzhik450.6%
Dimitrovgrad440.6%
Petrich440.6%
Samokov440.6%

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
AS88661,179
AS29580507
AS8717429
AS13124321
AS34224150
AS32934139
AS9070137
AS39184126
AS57344126
AS48031116

Look up a single address

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