41877 GRT-AS, GE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS20771 CAUCASUS-CABLE-SYSTEM CCS Autonomous System, GE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13796 AS41877 ORIGIN Originate: 6144 /19.42 Transit: 0 /0.00 GRT-AS, GE
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 % 6614 AS41877 GRT-AS, GE 9 8 1 2 7 77.78% Prefix AS Path Aggregation Suggestion 5.133.160.0/23 4777 2497 174 20771 41877 + Announce - aggregate of 5.133.160.0/24 (4777 2497 174 20771 41877) and 5.133.161.0/24 (4777 2497 174 20771 41877) 5.133.160.0/24 4777 2497 174 20771 41877 - Withdrawn - aggregated with 5.133.161.0/24 (4777 2497 174 20771 41877) 5.133.161.0/24 4777 2497 174 20771 41877 - Withdrawn - aggregated with 5.133.160.0/24 (4777 2497 174 20771 41877) 80.92.176.0/20 4777 2497 174 20771 41877 80.92.177.0/24 4777 2497 174 20771 41877 - Withdrawn - matching aggregate 80.92.176.0/20 4777 2497 174 20771 41877 80.92.183.0/24 4777 2497 174 20771 41877 - Withdrawn - matching aggregate 80.92.176.0/20 4777 2497 174 20771 41877 80.92.184.0/24 4777 2497 174 20771 41877 - Withdrawn - matching aggregate 80.92.176.0/20 4777 2497 174 20771 41877 80.92.186.0/24 4777 2497 174 20771 41877 - Withdrawn - matching aggregate 80.92.176.0/20 4777 2497 174 20771 41877 80.92.187.0/24 4777 2497 174 20771 41877 - Withdrawn - matching aggregate 80.92.176.0/20 4777 2497 174 20771 41877 80.92.189.0/24 4777 2497 174 20771 41877 - Withdrawn - matching aggregate 80.92.176.0/20 4777 2497 174 20771 41877
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS41877 8 More Specifics 9 Total Advertisements GRT-AS, GE
5.133.160.0/24 5.133.160.0/21
5.133.161.0/24 5.133.160.0/21
80.92.177.0/24 80.92.176.0/20
80.92.183.0/24 80.92.176.0/20
80.92.184.0/24 80.92.176.0/20
80.92.186.0/24 80.92.176.0/20
80.92.187.0/24 80.92.176.0/20
80.92.189.0/24 80.92.176.0/20
whois: 402332
IANA has recorded AS41877 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS41877\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 'AS40960 - AS42171'
as-block: AS40960 - AS42171
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: 2024-07-22T14:14:32Z
last-modified: 2024-07-22T14:14:32Z
source: RIPE
% Information related to 'AS41877'
% Abuse contact for 'AS41877' is 'grigol.ichkitidze@grt.ge'
aut-num: AS41877
as-name: GRT-AS
org: ORG-RTL2-RIPE
remarks:
remarks:
remarks:
remarks: ........................
remarks: ********UPLINKS*********
remarks: ........................
remarks:
remarks:
remarks: *****LEVEL3*****
import: from AS3356 accept ANY
export: to AS3356 announce as-grt-customers
remarks: -------------------------
remarks:
remarks: *****Caucasus Online*****
import: from AS20771 accept ANY
export: to AS20771 announce as-grt-customers
remarks: -------------------------
remarks:
remarks:
remarks:
remarks: ........................
remarks: *********PEERS**********
remarks: ........................
remarks:
remarks:
remarks:
remarks:
remarks:
remarks: ........................
remarks: *******CUSTOMERS********
remarks: ........................
remarks:
remarks:
import: from AS49254 accept as-set-alternet
remarks:
remarks: ***GEONET***
import: from AS21214 accept AS21214
import: from AS21214 accept AS58227
remarks:
remarks: ***AIRNET***
import: from AS199469 accept AS199469
remarks: .......................
export: to as-grt-customers announce ANY
remarks:
remarks: ***ITDC***
import: from AS57814 accept AS57814
remarks:
remarks: *******COMMUNITY STRINGS*******
remarks: ----------------------------------------------------------------------------------------------------
remarks: :::::::::Communities that affect whole GRT Network and all Uplinks:::::::
remarks:
remarks: 41877:17X - Install Route as a Primary Route (sets Local Preference = 170)
remarks: 41877:9X - Install Route as a Backup Route (sets Local Preference = 90)
remarks: X - Number of Prepend to all GRT Uplinks (X = 0,1,2,3,4,5)
remarks: Default: NO prepend and Local Preference = 170 (Primary routes)
remarks:
remarks: :::::::::::::::::::Communities that Affect separate Uplinks:::::::::::::::::::::::::::
remarks:
remarks: 41877:200X - Set Prepend To CO Network, X - Number of Prepends
remarks: 41877:300X - Set Prepend To LEVEL3 Network, X - Number of Prepends
remarks: 41877:2666 - Do Not Advertise Corresponding Prefix To CO Network
remarks: 41877:3666 - Do Not Advertise Corresponding Prefix To LEVEL3 Network
remarks: Default: No Prepend and Advertise to All Uplinks, X = 1,2,3,4,5
remarks: ----------------------------------------------------------------------------------------------------
remarks:
remarks:
remarks:
admin-c: GI2411-RIPE
tech-c: TD3363-RIPE
remarks:
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: RAILWAY-TELECOM
created: 2006-11-07T14:21:07Z
last-modified: 2025-06-26T17:09:43Z
source: RIPE
organisation: ORG-RTL2-RIPE
org-name: Railway Telecom, Ltd
country: GE
org-type: LIR
address: 160 M. Tsinamdzgvrishvili st.
address: 0112
address: Tbilisi
address: GEORGIA
phone: +995322506887
fax-no: +995322506888
admin-c: GI2411-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: RAILWAY-TELECOM
mnt-by: RIPE-NCC-HM-MNT
mnt-by: RAILWAY-TELECOM
abuse-c: TD3363-RIPE
created: 2005-06-23T06:32:59Z
last-modified: 2020-12-16T12:40:12Z
source: RIPE # Filtered
role: Technical Department
address: 160 Tsinamdzgvrishvili st., Tbilisi, Georgia
abuse-mailbox: grigol.ichkitidze@grt.ge
nic-hdl: TD3363-RIPE
admin-c: GI2411-RIPE
tech-c: GI2411-RIPE
mnt-by: RAILWAY-TELECOM
created: 2013-10-10T14:57:24Z
last-modified: 2019-01-10T15:09:45Z
source: RIPE # Filtered
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