AS31027 — GlobalConnect AS31027 Globalconnect A/S, GlobalConnect NN A/S, Nianet, Zen Systems
AS Name: GlobalConnect-AS31027
Organization: ORG-GA85-RIPE
Registry: RIPE
⚠️ CIRCL BGP Security Rank: 0.0023% (position 10727)
aut-num: AS31027
as-name: GlobalConnect-AS31027
remarks: GlobalConnect regional network Denmark and Germany
org: ORG-GA85-RIPE
remarks: ---------------------------------------------------------
remarks: GlobalConnect operates three main regional networks:
remarks: AS31027 (DK and DE), AS12552 (SE and FI), and AS2116 (NO).
remarks:
remarks: All three regional networks share all prefixes in between them.
remarks:
remarks: AS6797 is the unified primary ASN for the networks.
remarks: Regional networks are currently transitioning behind
remarks: this ASN to provide a single peering and transit point.
remarks:
remarks: AS31027 will continue to serves as the regional network for Denmark
remarks: and Germany during the transition to AS6797.
remarks: ---------------------------------------------------------
remarks:
remarks: Peering information: http://as31027.peeringdb.com/
remarks:
remarks: Looking Glass: https://lg.ring.nlnog.net/
remarks:
remarks: ---------------------------------------------------------
remarks: - TRANSIT / UPSTREAM -
mp-export: afi any.unicast to AS1299 announce AS-GCNET
mp-import: afi any.unicast from AS1299 accept ANY
mp-export: afi any.unicast to AS3356 announce AS-GCNET
mp-import: afi any.unicast from AS3356 accept ANY
mp-export: afi any.unicast to AS6797 announce ANY
mp-import: afi any.unicast from AS6797 accept ANY
mp-export: afi any.unicast to AS12552 announce ANY
mp-import: afi any.unicast from AS12552 accept ANY
mp-export: afi any.unicast to AS2116 announce ANY
mp-import: afi any.unicast from AS2116 accept ANY
remarks: - PEERING -
remarks: Peering sessions are NOT documented via individual RPSL
remarks: import/export lines. Please refer to PeeringDB for
remarks: up-to-date peering locations and session details.
remarks: - CUSTOMERS -
remarks: Customers are NOT documented via individual RPSL
remarks: import/export lines.
remarks: - AS-SET -
remarks: Use RIPE AS-SET: AS-GCNET for any prefix filters, it includes
remarks: prefixes from all GlobalConnect networks.
remarks: ---------------------------------------------------------
remarks: BGP Communities for customers
remarks:
remarks: # Informative: Learned at #geolocation
remarks: 31027:64208 Denmark
remarks: 31027:64276 Germany
remarks: 31027:64528 Netherlands
remarks: 31027:64752 Sweden
remarks: 31027:64578 Norway
remarks: 31027:64826 United Kingdom
remarks:
remarks: # Informative: Learned from #type
remarks: 31027:65010 Learned from Transit
remarks: 31027:65020 Learned from Peering
remarks: 31027:65030 Learned from Customer
remarks:
remarks: # Informative: Learned from #type -(Legacy)
remarks: 31027:1000 - Learned from Transit - (Legacy)
remarks: 31027:2000 - Learned from Peering - (Legacy)
remarks: 31027:3000 - Learned from Customer - (Legacy)
remarks:
remarks: # Active: Requires customer to request activation
remarks: 31027:666 RTBH
remarks: 65535:0 Graceful BGP Session Shutdown
remarks:
remarks: 31027:60501 Do-not-announce-to-transit
remarks: 31027:60502 Do-not-announce-to-transit-and-peers
remarks:
remarks: 31027:605x0 - do not announce to peer x
remarks: 31027:605x1 - prepend 1 to peer x
remarks: 31027:605x2 - prepend 2 to peer x
remarks: 31027:605x3 - prepend 3 to peer x
remarks:
remarks: 31027:60591 - set localpref lowest
remarks: 31027:60594 - set localpref low
remarks: 31027:60596 - set localpref high
remarks:
remarks: ---------------------------------------------------------
remarks: - SPECIAL -
remarks:
remarks: # DE-CIX (Frankfurt, DE)
mp-import: afi ipv4.unicast from AS6695 80.81.192.157 at 80.81.194.79 accept AS-DECIX
mp-export: afi ipv4.unicast to AS6695 80.81.192.157 at 80.81.194.79 announce AS-GCNET
mp-import: afi ipv4.unicast from AS6695 80.81.193.157 at 80.81.194.79 accept AS-DECIX
mp-export: afi ipv4.unicast to AS6695 80.81.193.157 at 80.81.194.79 announce AS-GCNET
mp-import: afi ipv4.unicast from AS43252 accept AS-DECIX-HAM
mp-export: afi ipv4.unicast to AS43252 announce AS-GCNET
remarks: # AM-IX (Amsterdam, NL)
import-via: AS6777 from AS-ANY EXCEPT AS-31027-EXCLUDE-AMS-IX-RS accept ANY
export-via: AS6777 to AS-ANY EXCEPT AS-31027-EXCLUDE-AMS-IX-RS announce AS-GCNET
remarks: # Netnod (Stockholm, SE)
import-via: AS52005 from AS-NETNOD accept AS-NETNOD
export-via: AS52005 to AS-NETNOD announce AS-GCNET
remarks: ---------------------------------------------------------
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
notify: peering@globalconnect.dk
mnt-by: AS31027-MNT
created: 2004-02-10T11:39:19Z
last-modified: 2026-01-24T09:08:14Z
source: RIPE
remarks: ****************************
remarks: * THIS OBJECT IS MODIFIED
remarks: * Please note that all data that is generally regarded as personal
remarks: * data has been removed from this object.
remarks: * To view the original object, please query the RIPE Database at:
remarks: * http://www.ripe.net/whois
remarks: ****************************
Direct Membership
Macros that directly list AS31027 as a member:
AS216275:AS-TRANSITS(1 members)
AS-DANSKETELECOM-IPV6(2 members)
AS31027:AS-GCNET(5 members)
AS-GCNET(8 members)
AS-GCNETDKV6(54 members)
AS15659:AS-NIX(62 members)
AS31027:AS-GCNETDK(64 members)
AS-RIS-RRC25(76 members)
AS13030:AS-PEERS(88 members)
AS43252:AS-DECIX-HAM-CONNECTED(204 members)
AS31027:AS-NIANET(237 members)
AS-OPENPEERINGPEERS(271 members)
AS-GBLXEU(273 members)
AS31027:AS-GCNET-LEGACY(295 members)
AS61180:AS-PEERS-AMSIX(301 members)
AS-MANDA-LINX-PEERS-V6(417 members)
AS-MANDA-LINX-PEERS-V4(423 members)
AS1200:AS-AMS-IX-PEERS(485 members)
AS-MANDA-AMSIX-PEERS-V6(559 members)
AS-MANDA-AMSIX-PEERS-V4(596 members)
AS-MANDA-DECIX-PEERS-V6(623 members)
AS-MANDA-DECIX-PEERS-V4(666 members)
AS6777:AS-AMS-IX-RS-V6(733 members)
AS3303:AS-SWCMPEERS(783 members)
AS6777:AS-AMS-IX-RS(802 members)
AS6695:AS-DECIX-FRA-RS-V6(1064 members)
AS6695:AS-DECIX-FRA-RS(1064 members)
AS6695:AS-DECIX-FRA-CONNECTED(1065 members)
Expanded Membership
All macros containing AS31027 (directly or via nested macros): 104
Show 100 macros
AS216275:AS-TRANSITS(1 ASNs)
AS-DANSKETELECOM-IPV6(2 ASNs)
AS-NGDCV6(5 ASNs)
AS15659:AS-NIX(62 ASNs)
AS-RIS-RRC25(76 ASNs)
AS13030:AS-PEERS(88 ASNs)
AS-GCNETDKV6(111 ASNs)
AS-GCNETV6(146 ASNs)
AS-GCNETDK(190 ASNs)
AS31027:AS-GCNETDK(190 ASNs)
AS-DECIX-HAM-CONNECTED(204 ASNs)
AS43252:AS-DECIX-HAM-CONNECTED(204 ASNs)
AS-GBLXEU(273 ASNs)
AS31027:AS-NIANET(288 ASNs)
AS61180:AS-PEERS-AMSIX(301 ASNs)
AS31027:AS-GCNET-LEGACY(398 ASNs)
AS-MANDA-LINX-PEERS-V6(417 ASNs)
AS-MANDA-LINX-PEERS-V4(423 ASNs)
AS31027:AS-GCNET(444 ASNs)
AS1200:AS-AMS-IX-PEERS(485 ASNs)
AS-MANDA-AMSIX-PEERS-V6(559 ASNs)
AS-MANDA-AMSIX-PEERS-V4(596 ASNs)
AS-MANDA-DECIX-PEERS-V6(623 ASNs)
AS-MANDA-DECIX-PEERS-V4(666 ASNs)
AS6777:AS-AMS-IX-RS-V6(733 ASNs)
AS3303:AS-SWCMPEERS(783 ASNs)
AS6777:AS-AMS-IX-RS(802 ASNs)
AS39521:AS-AMS-IX-PEERS(803 ASNs)
AS-GCNET(833 ASNs)
AS-IPO(833 ASNs)
AS-IPO-EU(833 ASNs)
AS-IPO6(833 ASNs)
AS-NIANET(833 ASNs)
AS12552:AS-IPO-EU(833 ASNs)
AS-GBLX(963 ASNs)
AS-DECIX-RS(1,064 ASNs)
AS-DECIX-RS-V6(1,064 ASNs)
AS6695:AS-DECIX-FRA-RS(1,064 ASNs)
AS6695:AS-DECIX-FRA-RS-V6(1,064 ASNs)
AS-DECIX-CONNECTED(1,065 ASNs)
AS6695:AS-DECIX-FRA-CONNECTED(1,065 ASNs)
AS197032:AS-ALL(1,089 ASNs)
AS198792:AS-PEER-AMSIX-V6(1,625 ASNs)
AS-NAO-PEERS(3,072 ASNs)
AS213973:AS-BCIX(13,844 ASNs)
AS213973:AS-PARTNERS(13,844 ASNs)
AS57328:AS-DDIX(13,844 ASNs)
AS59552:AS-SON-IX-RS(13,844 ASNs)
AS198792:AS-PEER-AMSIX-V4(19,486 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-C4LPEERS(70,320 ASNs)
AS3320:AS-DTAG-V6(71,426 ASNs)
AS-DTAG(72,392 ASNs)
AS3320:AS-DTAG(72,392 ASNs)
AS-DECIX-HAM(73,753 ASNs)
AS-WORKIX(73,753 ASNs)
AS43252:AS-DECIX-HAM(73,753 ASNs)
AS6777:AS-AMS-IX-RS-SETS(76,470 ASNs)
AS-OPENPEERINGPEERS(76,528 ASNs)
AS-OPENPEERINGPEERS-EU(76,536 ASNs)
AS30781:AS-JAGUAR-PEERING-LINX(77,905 ASNs)
AS30781:AS-JAGUAR-PEERING-AMS-IX(78,176 ASNs)
AS-DECIX-HAM-V6(79,400 ASNs)
AS43252:AS-DECIX-HAM-V6(79,400 ASNs)
AS-1-IX(79,814 ASNs)
AS31561:AS-MEMBERS-AMS(79,814 ASNs)
AS31561:AS-MEMBERS(79,895 ASNs)
AS-STOLON-PEERING(79,897 ASNs)
AS-HOPUS(80,866 ASNs)
AS6777:AS-AMS-IX-RS-SETS-V6(81,237 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-LINX(81,936 ASNs)
AS-1-IX-WAW(82,799 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-AMS-IX(83,547 ASNs)
AS-1-IX-WAW-V6(84,590 ASNs)
AS-KLNK-IX(85,102 ASNs)
AS-NL-IX-RS(85,102 ASNs)
AS-TELIANETEU-V6(85,444 ASNs)
AS1299:AS-TWELVE99-EU-V6(85,444 ASNs)
AS-TELIANETEU(85,632 ASNs)
AS1299:AS-TWELVE99-EU-V4(85,632 ASNs)
AS-1-IX-V6(87,628 ASNs)
AS-SOX(90,571 ASNs)
AS59900:AS-B-IX-PARTNERS(90,888 ASNs)
AS-VIX-RS(90,892 ASNs)
AS-VIX-RS-V6(91,142 ASNs)
AS216369:AS-IX(91,206 ASNs)
AS-TELIANET-V6(92,705 ASNs)
AS1299:AS-TWELVE99-V6(92,705 ASNs)
AS-TELIANET(92,989 ASNs)
AS1299:AS-TWELVE99-V4(92,989 ASNs)
AS-BCIX(93,003 ASNs)
AS16374:AS-BCIX-ALL(93,003 ASNs)
AS1299:AS-TWELVE99(93,076 ASNs)
AS-TIXZH(94,757 ASNs)
AS-DECIX(96,509 ASNs)
AS-NFON-DECIX-PEERS-V4(96,509 ASNs)
AS-NFON-DECIX-PEERS-V6(96,509 ASNs)
AS6695:AS-DECIX-FRA(96,509 ASNs)
AS-ST1-IXPS(96,670 ASNs)
... and 4 more
Upstream AS Paths
64 unique paths, avg length 1.6
AS Looking Glass
Upstream paths (matching graph above)
All 64 Upstream Paths
Complete list of all observed paths
AS1299 → AS31027
AS3214 → AS31027
AS6057 → AS31027
AS6939 → AS31027
AS8298 → AS31027
AS8455 → AS31027
AS8888 → AS31027
AS9002 → AS31027
AS12552 → AS31027
AS13030 → AS31027
AS13058 → AS31027
AS24482 → AS31027
AS25091 → AS31027
AS32590 → AS31027
AS37100 → AS31027
AS37271 → AS31027
AS37721 → AS31027
AS38880 → AS31027
AS39120 → AS31027
AS45352 → AS31027
AS52320 → AS31027
AS57152 → AS31027
AS58511 → AS31027
AS61573 → AS31027
AS63927 → AS31027
AS132337 → AS31027
AS137409 → AS31027
AS209823 → AS31027
AS31027 IPv4 Address Subnets (131)
| 94.18.0.0/16 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 152.115.128.0/17 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 152.115.64.0/18 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 83.151.128.0/18 | 🇩🇰 DK | Nianet A/S | GlobalConnect-AS31027 |
| 87.116.0.0/18 | 🇩🇰 DK | nianet a/s | GlobalConnect-AS31027 |
| 88.212.64.0/18 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 93.176.64.0/18 | 🇩🇰 DK | nianet a/s | GlobalConnect-AS31027 |
| 109.202.128.0/19 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 152.115.0.0/19 | 🇩🇰 DK | Bruel & Kjaer | GlobalConnect-AS31027 |
| 152.115.32.0/19 | 🇩🇰 DK | GlobalConnect-AS31027 |
AS31027 IPv6 Address Subnets (12)
| 2a00:97e0::/32 | 🇩🇰 DK | Bjerringbro Kabelnet Network | GlobalConnect-AS31027 |
| 2a00:b3a1::/32 | 🇩🇰 DK | SEA-NET GmbH | GlobalConnect-AS42525 |
| 2a01:4f0::/32 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 2a01:ef80::/32 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 2a02:188::/29 | 🇩🇰 DK | nianet a/s | GlobalConnect-AS31027 |
| 2a02:460::/32 | 🇩🇰 DK | GlobalConnect-Testlab-Network | |
| 2a03:6947:600::/40 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 2a06:b740::/29 | 🇩🇰 DK | Tune Kabelnet | GlobalConnect-AS31027 |
| 2a06:b740::/32 | 🇩🇰 DK | GlobalConnect-AS31027 | |
| 2a09:7440::/32 | 🇩🇰 DK | Gorlev Antenneforening | GlobalConnect-AS31027 |