Autonomous System details

AS15751

Eircom Limited  ·  eir.ie

Ireland

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AS15751 – Eircom Limited

Field Value
Country Ireland
Website eir.ie
Hosted domains 2
IPv4 addresses 24,832
IPv6 addresses 633,825,300,114,114,700,748,351,602,688
ASN type ISP
Registry ripe
Allocated 56 years ago on Jan 01, 1970
Updated 2 months ago on Jan 09, 2026

IP Ranges

Netblock Company Num of IPs
109.125.0.0/18 Eircom Limited 16,384
212.129.80.0/20 eir Mobile Broadband 4,096
212.129.72.0/21 eir Mobile Broadband 2,048
212.129.68.0/22 eir Mobile Broadband 1,024
185.51.72.0/23 eir Mobile Communications IP Network 512
212.129.66.0/23 eir Mobile Communications IP Network 512
212.129.64.0/24 eir Mobile Communications IP Network 256
Netblock Company
2a01:b340::/29 Eircom Limited
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WHOIS Details

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                                                ASHandle:       AS15751
                                                OrgID:          AS15751
                                                ASName:         AS15751
                                                ASNumber:       AS15751
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 2 domain names hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
212.129.78.227 █████████ 2

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Peers

There is 1 peer for this ASN.

Peers Name
AS5466 Eircom Limited
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS5466 Eircom Limited
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
2a01:b340:80:202c:98c8:6aff:fea7:d5ae AS15751 Eircom Limited 31.48ms from Dublin, IE
212.129.67.124 AS15751 Eircom Limited 0.72ms from Dublin, IE
2a01:b340:85:c9c3:a26a:cdc1:3b9e:9c89 AS15751 Eircom Limited 18.24ms from Dublin, IE
2a01:b340:82:21a3:3844:cb21:964b:fe0f AS15751 Eircom Limited 16.76ms from Dublin, IE
212.129.64.72 AS15751 Eircom Limited 0.85ms from Dublin, IE
2a01:b340:81:70fc:5028:2365:fdad:2a56 AS15751 Eircom Limited 18.14ms from Dublin, IE
2a01:b340:61:49ea:101a:7590:31d2:c62c AS15751 Eircom Limited 17.39ms from Dublin, IE
2a01:b340:f:9::1 AS15751 Eircom Limited 0.76ms from Dublin, IE
2a01:b340:62:cc22:5a02:3ff:fe04:506 AS15751 Eircom Limited 17.30ms from Dublin, IE
2a01:b340:63:59d3:a872:c4ff:fe0c:4c1c AS15751 Eircom Limited 12.44ms from Dublin, IE
2a01:b340:64:1d0b:f3f1:174b:efad:10c9 AS15751 Eircom Limited 29.55ms from Dublin, IE
2a01:b340:86:920a:b87e:ed05:2329:e848 AS15751 Eircom Limited 11.78ms from Dublin, IE

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
212.237.15.87 AS31034 Aruba S.p.A. 0.34ms from Arezzo, IT
81.82.223.215 AS6848 Telenet BV 8.28ms from Brussels, BE
181.20.34.231 AS22927 Telefonica de Argentina 2.18ms from Buenos Aires, AR
201.199.92.119 AS11830 Instituto Costarricense de Electricidad y Telecom. 0.90ms from Curridabat, CR
187.198.196.55 AS8151 UNINET 7.64ms from Guadalajara, MX
108.212.89.7 AS7018 AT&T Enterprises, LLC 11.49ms from Los Angeles, US
207.249.92.23 AS8007 Servicios Administrados Mexis, S.A. de C.V. 10.79ms from Mexico City, MX
185.196.178.167 AS206091 Planet Digital Lichtwellenleiternetz Errichtungs- und Betrieb GmbH & Co KG 8.88ms from Milan, IT
60.130.51.55 AS17676 SoftBank Corp. 3.92ms from Osaka, JP
86.242.177.151 AS3215 Orange S.A. 1.47ms from Paris, FR
176.165.165.55 AS5410 Bouygues Telecom SA 16.00ms from Paris, FR
52.186.159.119 AS8075 Microsoft Corporation 0.45ms from Ashburn, US
75.40.168.103 AS7018 AT&T Enterprises, LLC 14.89ms from Atlanta, US
180.77.2.87 AS17429 BEIJING GEHUA CATV NETWORK CO.LTD 9.61ms from Beijing, CN
117.243.141.135 AS9829 National Internet Backbone 13.33ms from Bengaluru, IN
163.252.17.119 AS13977 Fidium 7.37ms from Boston, US
5.15.64.247 AS8708 DIGI ROMANIA S.A. 4.57ms from Bucharest, RO
14.242.19.151 AS45899 VNPT Corp 4.78ms from Ho Chi Minh City, VN
116.123.186.151 AS9318 SK Broadband Co Ltd 9.20ms from Incheon, KR
90.47.141.23 AS3215 Orange S.A. 9.69ms from Paris, FR
187.26.165.183 AS22085 Claro S/A 1.37ms from Sao Paulo, BR
76.13.177.55 AS47583 Hostinger International Limited 0.47ms from Sepang, MY
4.193.150.39 AS8075 Microsoft Corporation 0.66ms from Singapore, SG
46.8.37.55 AS198150 SIACOM JSC 0.36ms from Sofia, BG
111.228.49.23 AS141679 China Telecom Beijing Tianjin Hebei Big Data Industry Park Branch 0.28ms from Tianjin, CN

Traceroute

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

$
traceroute -a -n -q1 -f2 -m9 109.125.40.19
traceroute to 109.125.40.19 (109.125.40.19): 9 hops max, 52 byte packets
3 [] 185.1.226.181 53.565 ms
4 *
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Chisinau, MD
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 AS15751 at robtex.

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