ResearchRouting table, RPKI, IRR & looking glass

AS207957 SERV.HOST GROUP LTD

AS207957 (ServHost-AS) is registered to SERV.HOST GROUP LTD in GB, through RIPE. It originates 190 prefixes in the global routing table.

164
IPv4 prefixes
26
IPv6 prefixes
41,984
IPv4 addresses
98%
RPKI valid

Who holds AS207957

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS207957
Handle
ServHost-AS
Organization
SERV.HOST GROUP LTD
Country
GB
Registry
RIPE
ASPA
None published
WHOIS recordRIPE
% 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.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS207610 - AS208187'

as-block:       AS207610 - AS208187
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:        2025-10-01T14:17:54Z
last-modified:  2025-10-01T14:17:54Z
source:         RIPE

% Information related to 'AS207957'

% Abuse contact for 'AS207957' is 'abuse@serv.host'

aut-num:        AS207957
as-name:        ServHost-AS
org:            ORG-SGL71-RIPE
import:         from AS43278 accept ANY
export:         to AS43278 announce AS207957
mp-import:      afi ipv6.unicast from AS43278 accept ANY
mp-export:      afi any.unicast to AS43278 announce AS207957
sponsoring-org: ORG-NL628-RIPE
admin-c:        AN32913-RIPE
tech-c:         AN32913-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SERVHOST-MNT
created:        2022-05-24T10:05:06Z
last-modified:  2024-11-13T13:44:39Z
source:         RIPE

organisation:   ORG-SGL71-RIPE
org-name:       SERV.HOST GROUP LTD
country:        GB
reg-nr:         15728390
org-type:       OTHER
address:        71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
abuse-c:        AN32913-RIPE
mnt-ref:        netshield-mnt
mnt-ref:        servhost-mnt
mnt-by:         netshield-mnt
mnt-by:         SERVHOST-MNT
created:        2024-11-12T09:25:15Z
last-modified:  2026-05-13T05:25:14Z
source:         RIPE # Filtered

role:           ABUSE NOC
address:        71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
abuse-mailbox:  abuse@serv.host
nic-hdl:        AN32913-RIPE
mnt-by:         SERVHOST-MNT
created:        2022-05-12T12:48:37Z
last-modified:  2026-02-20T17:04:13Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)


What AS207957 announces

Prefixes originated by AS207957 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
164
IPv6 prefixes
26
IPv4 addresses
41,984 (164 /24s)
RPKI valid
187 98%
RPKI invalid
0
RPKI not found
3
ROAs naming AS207957
167
With an IRR route object
189 99%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (164)
2.26.8.0/242.26.9.0/242.26.10.0/242.26.11.0/242.26.88.0/242.26.89.0/242.26.90.0/242.26.91.0/242.26.92.0/242.26.93.0/242.26.95.0/242.27.208.0/242.27.209.0/242.27.210.0/242.27.211.0/2413.143.137.0/2413.143.180.0/2413.143.181.0/2413.143.182.0/2413.143.183.0/2413.143.184.0/2413.143.185.0/2413.143.186.0/2413.143.187.0/2413.143.188.0/2413.143.189.0/2413.143.190.0/2413.143.191.0/2413.143.192.0/2413.143.193.0/2413.143.194.0/2413.143.195.0/2413.143.196.0/2413.143.197.0/2413.143.198.0/2413.143.199.0/2431.76.0.0/2431.76.1.0/2431.76.2.0/2431.76.3.0/2431.76.4.0/2431.76.5.0/2431.76.6.0/2431.76.7.0/2431.76.52.0/2431.76.53.0/2431.76.54.0/2431.76.55.0/2431.76.60.0/2431.76.61.0/2431.76.62.0/2431.76.63.0/2431.76.64.0/2431.76.65.0/2431.76.66.0/2431.76.68.0/2431.76.69.0/2431.76.70.0/2431.76.71.0/2431.76.82.0/2431.76.83.0/2431.76.84.0/2431.76.85.0/2431.76.114.0/2431.76.115.0/2431.77.7.0/2431.77.38.0/2431.77.39.0/2431.77.46.0/2431.77.47.0/2431.77.140.0/2431.77.141.0/2431.77.142.0/2431.77.143.0/2431.77.188.0/2431.77.238.0/2445.149.235.0/2464.188.89.0/2464.188.90.0/2464.188.98.0/2477.239.107.0/2480.66.81.0/2480.66.85.0/2480.66.89.0/2489.169.12.0/2489.169.13.0/2491.196.32.0/2491.196.33.0/2491.196.34.0/2491.196.35.0/2494.156.154.0/2494.156.155.0/2494.156.180.0/2494.156.181.0/24144.31.15.0/24144.31.49.0/24144.31.50.0/24144.31.51.0/24144.31.57.0/24144.31.82.0/24144.31.83.0/24144.31.93.0/24144.31.103.0/24144.31.107.0/24144.31.108.0/24144.31.109.0/24144.31.213.0/24144.31.214.0/24144.31.216.0/24144.31.217.0/24144.31.218.0/24144.31.219.0/24144.31.239.0/24144.31.240.0/24144.31.241.0/24144.31.242.0/24144.31.243.0/24144.31.249.0/24146.19.128.0/24150.241.72.0/24
Show 44 more
IPv6 (26)

RPKI valid   RPKI invalid   no ROA covers it

Who AS207957 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 4 upstreams.

Who buys transit from AS207957

None seen: AS207957 does not appear to provide transit to anyone.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEServHost-ASRIPE-NCC-END-MNT, SERVHOST-MNT

Route objects with origin AS207957: RIPE 192

as-sets that list AS207957 (12)