AS6536 — Citynet
AS Name: CITYNET-AS
Description: Citynet RR-RC-CityNet-Columbus
Registry: ALTDB
Imports from (14)
Exports to (19)
⚠️ CIRCL BGP Security Rank: 0.0003% (position 11998)
aut-num: AS6536
as-name: CITYNET-AS
descr: Citynet
import: from AS174 accept ANY
export: to AS174 announce AS-CITYNET
import: from AS600 accept ANY
export: to AS600 announce AS-CITYNET
import: from AS3356 accept ANY
export: to AS3356 announce AS6536AS6536:AS-CITYNET-CUSTOMERSAS16948
import: from AS6461 accept ANY
export: to AS6461 announce AS6536AS6536:AS-CITYNET-CUSTOMERS
import: from AS7332 accept ANY
export: to AS7332 announce AS-CITYNET
import: from AS13418 accept AS13418
export: to AS13418 announce ANY
import: from AS19151 accept ANY
export: to AS19151 announce AS-CITYNET
import: from AS23361 accept AS23361
export: to AS23361 announce ANY
import: from AS26072 accept AS26072
export: to AS26072 announce ANY
import: from AS32721 accept AS32721
export: to AS32721 announce ANY
import: from AS40091 accept AS40091
export: to AS40091 announce ANY
import: from AS51747 accept AS51747
export: to AS51747 announce ANY
import: from AS53513 accept AS53513
export: to AS53513 announce ANY
remarks: ----------------------------------------------------------
admin-c: SA570-ARIN
tech-c: SA570-ARIN
notify: ipadmin@citynet.net
mnt-by: MAINT-AS6536
changed: ipadmin@citynet.net 20230213
source: ALTDB
aut-num: AS6536
as-name: RoadRunner
descr: RR-RC-CityNet-Columbus
import: from AS-ANY accept ANY
export: to AS-ANY announce AS-ROADRUNNER
admin-c: IPADDREG
tech-c: IPADDREG
notify: ipaddreg@rr.com
mnt-by: MAINT-RR
changed: ipaddreg@rr.com 20060726
source: RADB
last-modified: 2023-11-13T16:14:57Z
aut-num: AS6536
as-name: AS-CITYNET10
descr: Citynet
mp-import: from AS-ANY accept ANY
mp-export: afi any.unicast to AS-ANY announce AS6536
remarks: ----------
admin-c: SA570-ARIN
tech-c: SA570-ARIN
mnt-by: MNT-CITYNE-10
created: 2025-11-11T21:03:24Z
last-modified: 2025-11-11T21:03:24Z
source: ARIN
Direct Membership
Macros that directly list AS6536 as a member:
AS-CITYNET(20 members)
AS11013:AS-CUSTOMER(69 members)
AS-AS209-CUST(1818 members)
AS-RR-BIZ(1857 members)
Expanded Membership
All macros containing AS6536 (directly or via nested macros): 277
Show 100 macros
AS-CITYNET(34 ASNs)
AS-ICN(39 ASNs)
AS11013:AS-CUSTOMER(69 ASNs)
AS-11013(70 ASNs)
AS-BBOI-CUST(889 ASNs)
AS-AS209-CUST(1,818 ASNs)
AS-QWEST-CUST(1,818 ASNs)
AS-ITS-CLIENTS(2,042 ASNs)
AS-ITS-CLIENTS-UA(2,044 ASNs)
AS-ITS-FIX(2,044 ASNs)
AS-FIX(2,052 ASNs)
AS-RR-BIZ(2,065 ASNs)
AS-ITS-UAIX(2,081 ASNs)
AS-ROADRUNNER(2,093 ASNs)
AS-ITS(2,104 ASNs)
AS-ITS-DECIX(2,104 ASNs)
AS-ITS-GOOGLE(2,104 ASNs)
AS-ITS-WORLD(2,104 ASNs)
AS-BBOI(2,189 ASNs)
AS-WVFIBER(2,189 ASNs)
AS-IPTRANSIT(2,261 ASNs)
AS-SEABONECUSTNA(2,303 ASNs)
AS-FF-TRANSIT(3,369 ASNs)
AS50263:AS-1-IX-EU-CUST(3,422 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-EUNET(13,944 ASNs)
AS-XO(23,361 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS-DECIX-ORD-V6(31,479 ASNs)
AS62760:AS-DECIX-ORD-V6(31,479 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-LUCIX-RS(40,498 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS-ROSTELECOM(53,118 ASNs)
AS-NSKROUTESERVER(53,148 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-SEABONE-V6(57,112 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CTGNET(58,815 ASNs)
AS-37662(59,003 ASNs)
AS-CN(59,223 ASNs)
AS1273:AS-CWW(59,499 ASNs)
AS-LEVEL3-UAE(60,102 ASNs)
AS-CAIS(61,483 ASNs)
AS213687:AS-ERA-IX-FRANKFURT(61,777 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-HKIX(64,663 ASNs)
AS-TELIANETASIA(65,174 ASNs)
AS1299:AS-TWELVE99-AP-V4(65,174 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
AS206221:AS-ERA-IX-AMSTERDAM(65,700 ASNs)
AS-ERA-IX(65,707 ASNs)
AS5405:AS-INTERDOTLINK(66,620 ASNs)
AS-STUTTGARTIX-RS(66,636 ASNs)
AS-TELIANETASIA-V6(66,784 ASNs)
AS1299:AS-TWELVE99-AP-V6(66,784 ASNs)
AS-CW6(66,853 ASNs)
AS1273:AS-CWW-V6(66,853 ASNs)
AS201561:AS-DECIX-CPH(66,988 ASNs)
AS201561:AS-DECIX-CPH-V6(66,988 ASNs)
AS-UAEIX(67,297 ASNs)
AS61374:AS-UAEIX(67,297 ASNs)
AS-CW(67,352 ASNs)
AS-SIXSK-SETS(67,561 ASNs)
AS-BIX(68,877 ASNs)
AS2914:AS-ASIA-V6(68,905 ASNs)
AS-SEABONECUSTEU(69,169 ASNs)
AS-FRYS-IX-CONNECTED(69,468 ASNs)
AS-BIX-BG(69,751 ASNs)
AS-NETIX-INT(69,913 ASNs)
AS43380:AS-DTEL-IX(69,913 ASNs)
AS-KIVIX(69,914 ASNs)
AS52055:AS-NETIX-GR(69,958 ASNs)
AS-SIX(70,009 ASNs)
AS-UBNIX(70,042 ASNs)
AS-GLOBAL-IX(70,222 ASNs)
AS-EPIX-LOCAL(70,298 ASNs)
AS-EPIX(70,299 ASNs)
AS-C4LPEERS(70,320 ASNs)
AS56584:AS-SET-INTERIX-RS(70,331 ASNs)
AS17645:AS-NTTS(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS2914:AS-ASIA(70,764 ASNs)
AS-NETIX-NET(71,038 ASNs)
AS-IU-CL(71,146 ASNs)
AS-TSUA-PARITY(71,146 ASNs)
AS-UAIX(71,146 ASNs)
AS-UDC2UTEL(71,146 ASNs)
AS25229:AS-PARITY(71,150 ASNs)
AS-KIKE(71,185 ASNs)
AS21011:AS-PEERS-UA(71,230 ASNs)
AS21011:AS-UA(71,230 ASNs)
AS56584:AS-INTERIX(71,301 ASNs)
... and 177 more
Upstream AS Paths
45 unique paths, avg length 2.1
AS Looking Glass
Upstream paths (matching graph above)
AS6536 IPv4 Address Subnets (7)
| 69.43.0.0/18 | 🇺🇸 US | Citynet Block | CITYNET-AS |
| 64.135.224.0/19 | 🇺🇸 US | Citynet Block | CITYNET-AS |
| 66.118.64.0/19 | 🇺🇸 US | Citynet Block | CITYNET-AS |
| 67.231.224.0/20 | 🇺🇸 US | Citynet Block | CITYNET-AS |
| 69.43.16.0/21 | 🇺🇸 US | Citynet | CITYNET-AS |
| 69.43.32.0/24 | 🇺🇸 US | Citynet | CITYNET-AS |
| 69.43.54.0/24 | 🇺🇸 US | Citynet | CITYNET-AS |
AS6536 IPv6 Address Subnets (1)
| 2607:f030::/32 | 🇺🇸 US | Citynet Block | CITYNET-AS |