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 18 years ago on Oct 22, 2008
Updated 3 months 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
151.237.51.125 ██████████ 2
151.237.49.56 ██████████ 2
151.237.55.39 ████████ 2
151.237.53.196 ██████████ 1
45.154.76.88 ██████████ 1
151.237.51.251 ██████████ 1
151.237.48.66 ██████████ 1
151.237.52.39 ████████ 1
151.237.50.35 █████████ 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
91.92.27.1 AS48181 Prolan Ltd. 0.65ms from Sofia, BG
151.237.52.1 AS48181 Prolan Ltd. 0.72ms from Sofia, BG
151.237.50.1 AS48181 Prolan Ltd. 0.67ms from Sofia, BG
87.120.245.6 AS48181 Prolan Ltd. 0.63ms from Sofia, BG
151.237.49.1 AS48181 Prolan Ltd. 0.68ms from Sofia, BG
45.154.76.1 AS48181 Prolan Ltd. 0.63ms from Sofia, BG
45.154.77.1 AS48181 Prolan Ltd. 0.58ms from Sofia, BG
2.56.54.1 AS48181 Prolan Ltd. 0.69ms from Sofia, BG
151.237.53.1 AS48181 Prolan Ltd. 0.67ms from Sofia, BG
151.237.54.1 AS48181 Prolan Ltd. 0.56ms from Sofia, BG
151.237.51.1 AS48181 Prolan Ltd. 0.74ms from Sofia, BG
45.154.78.1 AS48181 Prolan Ltd. 0.69ms from Sofia, BG
45.154.79.1 AS48181 Prolan Ltd. 0.60ms from Sofia, BG
2.56.55.1 AS48181 Prolan Ltd. 0.72ms from Sofia, BG
151.237.55.1 AS48181 Prolan Ltd. 0.63ms from Sofia, BG
2.56.53.1 AS48181 Prolan Ltd. 0.69ms from Sofia, BG
151.237.48.1 AS48181 Prolan Ltd. 0.61ms from Sofia, BG
2.56.52.1 AS48181 Prolan Ltd. 0.61ms 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
217.195.245.69 AS3257 GTT Communications Inc. 0.40ms from Amsterdam, NL
162.202.3.149 AS7018 AT&T Enterprises, LLC 1.63ms from Atlanta, US
74.92.253.117 AS7922 Comcast Cable Communications, LLC 12.86ms from Atlanta, US
20.7.215.69 AS8075 Microsoft Corporation 0.23ms from Boydton, US
223.83.76.69 AS56045 China Mobile communications corporation 17.39ms from Changsha, CN
72.23.122.69 AS27364 Armstrong 6.04ms from Cleveland, US
104.230.134.133 AS10796 Charter Communications Inc 6.76ms from Columbus, US
151.4.103.53 AS1267 WIND TRE S.P.A. 5.40ms from Crotone, IT
91.57.101.117 AS3320 Deutsche Telekom AG 6.89ms from Frankfurt am Main, DE
123.88.169.181 AS9808 China Mobile Communications Group Co., Ltd. 4.59ms from Guangzhou, CN
87.224.79.101 AS16082 Spitfire Network Services Limited 1.56ms from London, GB
18.102.248.133 AS16509 Amazon.com, Inc. 0.17ms from Milan, IT
178.140.33.245 AS42610 PJSC Rostelecom 1.54ms from Moscow, RU
130.93.20.133 AS25540 Alphalink SASU 0.63ms from Paris, FR
58.57.211.85 AS4134 CHINANET BACKBONE 10.15ms from Qingdao, CN
100.24.248.229 AS14618 Amazon.com, Inc. 0.15ms from Reston, US
68.85.27.21 AS7922 Comcast Cable Communications, LLC 3.31ms from San Jose, US
187.221.177.21 AS8151 UNINET 14.45ms from Santiago de Queretaro, MX
218.158.196.229 AS4766 Korea Telecom 4.11ms from Seoul, KR
126.78.106.21 AS17676 SoftBank Corp. 3.18ms from Tokyo, JP
79.190.24.133 AS5617 Orange Polska Spolka Akcyjna 1.58ms from Wrocław, PL
111.175.32.213 AS4134 CHINANET BACKBONE 2.19ms from Wuhan, CN
202.183.224.117 AS4750 CS LOXINFO PUBLIC COMPANY LIMITED 1.38ms from Bangkok, TH
24.149.0.133 AS13855 The Municipal Communications Utility of the City of Cedar Falls, Iowa 0.56ms from Chicago, US
34.159.166.117 AS396982 Google LLC 0.10ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f3 151.237.49.201
traceroute to 151.237.49.201 (151.237.49.201): 64 hops max, 52 byte packets
4 *
6 *
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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