20720 CTEL-AS Center Telecom AS Russia
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS34364 TNEFT-AS JSC Tatneft Autonomous System
AS29125 TATINT-AS Tatintelcom Inc Autonomous System Russia
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6794 AS20720 ORIGIN Originate: 8448 /18.96 Transit: 0 /0.00 CTEL-AS Center Telecom AS Russia
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 % 5398 AS20720 CTEL-AS Center Telecom AS Russia 4 2 1 3 1 25.00% Prefix AS Path Aggregation Suggestion 217.198.0.0/20 4637 3549 3216 29125 20720 217.198.0.0/20 4637 1273 8342 34364 20720 + Announce - aggregate of 217.198.0.0/21 (4637 1273 8342 34364 20720) and 217.198.8.0/21 (4637 1273 8342 34364 20720) 217.198.0.0/21 4637 1273 8342 34364 20720 - Withdrawn - aggregated with 217.198.8.0/21 (4637 1273 8342 34364 20720) 217.198.8.0/21 4637 1273 8342 34364 20720 - Withdrawn - aggregated with 217.198.0.0/21 (4637 1273 8342 34364 20720) 217.198.13.0/24 4637 3549 3216 29125 20720
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20720 3 More Specifics 4 Total Advertisements CTEL-AS Center Telecom AS Russia
217.198.0.0/21 217.198.0.0/20
217.198.5.0/24 217.198.0.0/20
217.198.8.0/21 217.198.0.0/20
217.198.13.0/24 217.198.0.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 217.198.5.0/24 Announced
- 217.198.13.0/24 Withdrawn
whois: 402603
IANA has recorded AS20720 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20720\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 'AS20485 - AS20857'
as-block: AS20485 - AS20857
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS20720'
% Abuse contact for 'AS20720' is 'abuse@tol.ru'
aut-num: AS20720
as-name: TOL-AS
org: ORG-CT4-RIPE
import: from AS20485 action pref=100; accept ANY
export: to AS20485 announce AS-CTEL
import: from AS62067 action pref=100; accept ANY
export: to AS62067 announce AS-CTEL
admin-c: TN2321-RIPE
tech-c: TN2321-RIPE
status: ASSIGNED
mnt-by: CTEL-NOC-MNT
mnt-by: RIPE-NCC-END-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2018-11-08T14:47:55Z
source: RIPE
organisation: ORG-CT4-RIPE
org-name: LLC Tatarstan-On-Line
country: RU
reg-nr: 1151690053360
org-type: LIR
address: Zinina, 3a
address: 420097
address: Kazan
address: RUSSIAN FEDERATION
phone: +78432022823
phone: +78432100260
fax-no: +78432100251
admin-c: TN2321-RIPE
abuse-c: TN2321-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CTEL-NOC-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CTEL-NOC-MNT
created: 2004-04-17T11:51:44Z
last-modified: 2026-05-13T07:30:14Z
source: RIPE # Filtered
role: Tatarstan-On-Line NOC
address: LLC Tatarstan-On-Line
address: P.O. Box 2057
address: Kazan
address: RUSSIAN FEDERATION
abuse-mailbox: abuse@tol.ru
phone: +7 843 2022822
fax-no: +7 843 2100251
nic-hdl: TN2321-RIPE
mnt-by: CTEL-NOC-MNT
admin-c: DG11682-RIPE
admin-c: GD9354-RIPE
tech-c: DG11682-RIPE
tech-c: GD9354-RIPE
created: 2013-09-04T12:44:32Z
last-modified: 2025-01-13T08:57:44Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)