Autonomous System details

AS48181

Prolan Ltd.  ·  prolan.bg

Bulgaria

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AS48181 – Prolan Ltd.

Field Value
Country Bulgaria
Website prolan.bg
Hosted domains 28
IPv4 addresses 4,608
IPv6 addresses 0
ASN type ISP
Registry ripe
Allocated 17 years ago on Oct 22, 2008
Updated 8 days ago on Jan 23, 2026

IP Ranges

Netblock Company Num of IPs
151.237.48.0/21 Passive Optical Networks FiberBG EOOD 2,048
2.56.52.0/22 Passive Optical Networks FiberBG EOOD 1,024
45.154.76.0/22 Passive Optical Networks FiberBG EOOD 1,024
87.120.245.0/24 Passive Optical Networks FiberBG EOOD 256
91.92.27.0/24 Passive Optical Networks FiberBG EOOD 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS48181
                                                OrgID:          AS48181
                                                ASName:         AS48181
                                                ASNumber:       AS48181
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 28 domain names hosted across 23 IP addresses on this ASN.

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IP Address Domain Domains on this IP
2.56.52.65 ██████████ 3
151.237.49.56 ██████████ 2
151.237.51.244 ██████████ 2
151.237.55.39 ████████ 2
151.237.51.125 ██████████ 2
151.237.48.66 ██████████ 1
151.237.51.93 ████████ 1
151.237.53.196 ██████████ 1
151.237.52.39 ████████ 1
151.237.52.229 ██████████ 1

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Peers

There are 2 peers for this ASN.

Peers Name
AS42555 OPTICCOM- BULGARIA Ltd.
AS57344 Telehouse EAD
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS42555 OPTICCOM- BULGARIA Ltd.
AS57344 Telehouse EAD
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
2.56.52.242 AS48181 Prolan Ltd. 0.57ms from Sofia, BG
45.154.79.246 AS48181 Prolan Ltd. 0.66ms from Sofia, BG
151.237.54.255 AS48181 Prolan Ltd. 0.63ms from Sofia, BG
151.237.53.119 AS48181 Prolan Ltd. 0.58ms from Sofia, BG
91.92.27.1 AS48181 Prolan Ltd. 0.65ms from Sofia, BG
151.237.50.22 AS48181 Prolan Ltd. 0.59ms from Sofia, BG
87.120.245.1 AS48181 Prolan Ltd. 0.73ms from Sofia, BG
2.56.53.127 AS48181 Prolan Ltd. 0.54ms from Sofia, BG
151.237.49.0 AS48181 Prolan Ltd. 0.56ms from Sofia, BG
151.237.52.40 AS48181 Prolan Ltd. 0.57ms from Sofia, BG
2.56.54.107 AS48181 Prolan Ltd. 0.52ms from Sofia, BG
45.154.76.97 AS48181 Prolan Ltd. 0.60ms from Sofia, BG
45.154.77.65 AS48181 Prolan Ltd. 0.56ms from Sofia, BG
151.237.48.1 AS48181 Prolan Ltd. 0.72ms from Sofia, BG
2.56.55.181 AS48181 Prolan Ltd. 0.54ms from Sofia, BG
151.237.51.78 AS48181 Prolan Ltd. 0.53ms from Sofia, BG
45.154.78.236 AS48181 Prolan Ltd. 0.61ms from Sofia, BG
151.237.55.181 AS48181 Prolan Ltd. 0.62ms 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
92.98.85.21 AS5384 Emirates Internet 3.01ms from Al Fujairah City, AE
75.137.189.165 AS20115 Charter Communications LLC 7.98ms from Atlanta, US
198.24.103.181 AS10796 Charter Communications Inc 2.73ms from Columbus, US
69.154.147.101 AS7018 AT&T Enterprises, LLC 9.55ms from Columbus, US
34.60.197.245 AS396982 Google LLC 0.11ms from Council Bluffs, US
116.37.63.165 AS17858 LG POWERCOMM 1.93ms from Incheon, KR
74.118.81.213 AS45178 ROSHAN-AF 0.51ms from Karachi, PK
80.22.152.197 AS3269 Telecom Italia S.p.A. 7.38ms from Milan, IT
84.220.16.21 AS8612 Tiscali Italia S.P.A. 10.60ms from Milan, IT
147.219.254.21 AS20115 Charter Communications LLC 14.58ms from Minneapolis, US
122.241.209.149 AS4134 CHINANET-BACKBONE 12.82ms from Nanchang, CN
187.210.63.101 AS8151 UNINET 3.42ms from Santiago de Queretaro, MX
77.105.239.85 AS35706 Net at Once Sweden AB 0.67ms from Stockholm, SE
142.150.12.37 AS239 University of Toronto 2.30ms from Toronto, CA
196.184.254.197 AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom) 12.58ms from Tunis, TN
13.247.105.101 AS16509 Amazon.com, Inc. 0.44ms from Cape Town, ZA
67.133.189.37 AS209 CenturyLink Communications, LLC 1.86ms from Dallas, US
197.100.246.53 AS3741 Dimension Data 0.62ms from Johannesburg, ZA
37.52.169.53 AS6849 JSC Ukrtelecom 10.00ms from Kyiv, UA
98.191.92.85 AS22773 Cox Communications Inc. 4.54ms from Los Angeles, US
85.45.139.117 AS3269 Telecom Italia S.p.A. 4.96ms from Milan, IT
140.190.23.213 AS14828 Hiawatha Broadband Communications, Inc 4.28ms from Minneapolis, US
126.57.91.117 AS17676 SoftBank Corp. 11.75ms from Osaka, JP
186.5.32.133 AS27947 Telconet S.A 0.71ms from Quito, EC
177.177.199.133 AS7738 V tal 8.52ms from Rio de Janeiro, BR

Traceroute

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

$
traceroute -a -n -q1 -f2 91.92.27.1
traceroute to 91.92.27.1 (91.92.27.1): 64 hops max, 52 byte packets
2 [] 193.169.198.171 0.74 ms
4 [AS48181] 91.92.27.1 3.844 ms
Measurement taken from IPinfo ProbeNet in Sofia, BG
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS48181 at robtex.

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