51082 ISP-A1-Internet - A1 NETWORK EXCHANGE LIMITED, GB
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS21859 ZEN-ECN - Zenlayer Inc, US
AS62610 ZEN-DPS - Zenlayer Inc, US
AS40676 AS40676 - Psychz Networks, US
AS26042 FIBERSTATE - FiberState, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 16341 AS51082 ORIGIN Originate: 4352 /19.91 Transit: 0 /0.00 ISP-A1-Internet - A1 NETWORK EXCHANGE LIMITED, GB
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 46972 AS51082 ISP-A1-Internet - A1 NETWORK EXCHANGE LIMITED 17 0 0 17 0 0.00% Prefix AS Path Aggregation Suggestion 23.175.72.0/24 4608 7575 2914 40676 51082 31.58.146.0/24 4777 2516 1299 21859 21859 21859 21859 51082 31.59.232.0/24 4777 2516 1299 21859 21859 21859 21859 51082 64.113.9.0/24 4608 7575 2914 40676 51082 77.83.104.0/24 4608 7575 2914 40676 51082 84.75.247.0/24 4777 2516 3257 29752 62610 51082 89.149.63.0/24 4777 2516 1299 21859 21859 21859 21859 51082 107.149.35.0/24 4777 2516 1299 21859 21859 21859 21859 51082 107.149.200.0/24 4777 2516 1299 21859 21859 21859 21859 51082 108.186.156.0/24 4777 2516 1299 21859 21859 21859 21859 51082 143.14.245.0/24 4777 2516 1299 21859 21859 21859 21859 51082 148.135.176.0/24 4608 7575 2914 40676 51082 155.117.210.0/24 4777 2516 1299 21859 21859 21859 21859 51082 157.254.12.0/24 4608 7575 2914 40676 51082 173.211.87.0/24 4608 7575 2914 40676 51082 188.220.36.0/24 4777 2516 1299 21859 21859 21859 21859 51082 216.224.126.0/24 4608 6939 26042 51082
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51082 16 More Specifics 17 Total Advertisements ISP-A1-Internet - A1 NETWORK EXCHANGE LIMITED, GB
31.58.146.0/24 31.56.0.0/14
31.59.232.0/24 31.56.0.0/14
64.113.9.0/24 64.113.0.0/20
77.83.104.0/24 77.83.104.0/22
84.75.247.0/24 84.75.0.0/16
89.149.63.0/24 89.149.0.0/18
107.149.35.0/24 107.148.0.0/15
107.149.200.0/24 107.148.0.0/15
108.186.156.0/24 108.186.0.0/16
143.14.245.0/24 143.14.0.0/16
148.135.176.0/24 148.135.0.0/16
155.117.210.0/24 155.117.0.0/16
157.254.12.0/24 157.254.0.0/16
173.211.87.0/24 173.211.0.0/17
188.220.36.0/24 188.220.0.0/14
216.224.126.0/24 216.224.112.0/20
31.56.122.0/24 31.56.0.0/14
37.202.208.0/24 37.202.192.0/19
51.194.158.0/24 51.194.0.0/16
108.186.73.0/24 108.186.0.0/16
140.233.181.0/24 140.233.128.0/17
140.233.182.0/24 140.233.128.0/17
148.135.173.0/24 148.135.0.0/16
151.240.110.0/24 151.240.0.0/17
151.246.144.0/24 151.246.0.0/16
151.247.117.0/24 151.247.96.0/19
162.141.120.0/24 162.141.0.0/16
192.6.72.0/24 192.6.72.0/23
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 31.58.146.0/24 Announced
+ 31.59.232.0/24 Announced
+ 89.149.63.0/24 Announced
+ 107.149.200.0/24 Announced
+ 108.186.156.0/24 Announced
+ 143.14.245.0/24 Announced
+ 155.117.210.0/24 Announced
+ 188.220.36.0/24 Announced
- 31.56.122.0/24 Withdrawn
- 37.202.208.0/24 Withdrawn
- 51.194.158.0/24 Withdrawn
- 108.186.73.0/24 Withdrawn
- 140.233.181.0/24 Withdrawn
- 140.233.182.0/24 Withdrawn
- 148.135.173.0/24 Withdrawn
- 151.240.110.0/24 Withdrawn
- 151.246.144.0/24 Withdrawn
- 151.247.117.0/24 Withdrawn
- 162.141.120.0/24 Withdrawn
- 192.6.72.0/24 Withdrawn
whois: 402617
IANA has recorded AS51082 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51082\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS50893 - AS51311'
as-block: AS50893 - AS51311
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2024-12-10T14:54:30Z
last-modified: 2024-12-10T14:54:30Z
source: RIPE
% Information related to 'AS51082'
% Abuse contact for 'AS51082' is 'abuse@a1nx.com'
aut-num: AS51082
as-name: ISP-A1-Internet
descr: A1 Network Internet Service - ISP
org: ORG-ANEL1-RIPE
import: from AS58057 accept ANY
export: to AS58057 announce AS51082
import: from AS61218 accept ANY
export: to AS61218 announce AS51082
import: from AS212027 accept ANY
export: to AS212027 announce AS51082
remarks: This network should be marked as ISP type network.
sponsoring-org: ORG-ICL64-RIPE
admin-c: ANEL3-RIPE
tech-c: ANEL3-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SBMT
mnt-by: A1NX-MNT
created: 2021-07-19T13:06:21Z
last-modified: 2026-01-08T09:05:34Z
source: RIPE
organisation: ORG-ANEL1-RIPE
org-name: A1 NETWORK EXCHANGE LIMITED
country: GB
reg-nr: 13512198
org-type: OTHER
address: 27 Old Gloucester Street, London, United Kingdom, WC1N 3AX
abuse-c: ACRO42319-RIPE
mnt-ref: A1NX-MNT
mnt-ref: ADAMBB-MNT
mnt-ref: CLOUDIE-MNT
mnt-ref: SBMT
mnt-ref: VPLAB-MNT
mnt-by: A1NX-MNT
created: 2021-07-15T14:52:07Z
last-modified: 2026-05-13T05:25:37Z
source: RIPE # Filtered
role: A1 NETWORK EXCHANGE LIMITED
address: 27 Old Gloucester Street, London, United Kingdom, WC1N 3AX
abuse-mailbox: abuse@a1nx.com
nic-hdl: ANEL3-RIPE
mnt-by: A1NX-MNT
created: 2021-07-15T14:50:18Z
last-modified: 2024-10-07T23:32:57Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)