Autonomous System details
AS13037
Zen Internet LTD — zen.co.uk
Summary
| Country |
 United Kingdom
|
| Organization | Zen Internet LTD |
| Domain | zen.co.uk |
| Number of IPv4 | 535,296 |
| Number of IPv6 | 6.3383× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | September 20, 2002 (about 22 years ago) |
| Updated | August 02, 2023 (about 1 year ago) |
IP Ranges
AS13037 announces 38 IPv4 ranges and 3 IPv6 ranges.
That's a total of 535,296 IPv4 addresses and 6.3383× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 51.148.0.0/16 |
Zen Internet
|
65,536 | RIPE NCC | LEGACY |
| 51.155.0.0/16 |
ZEN20190122-DM-ZEN-ADSL16
|
65,536 | RIPE NCC | LEGACY |
| 62.3.64.0/18 |
ADSL
|
16,384 | RIPE NCC | ASSIGNED PA |
| 77.104.128.0/18 |
Zen Internet LTD
|
16,384 | RIPE NCC | ALLOCATED PA |
| 82.68.0.0/15 |
Zen Internet LTD
|
131,072 | RIPE NCC | ASSIGNED PA |
| 82.71.0.0/16 |
ADSL
|
65,536 | RIPE NCC | ASSIGNED PA |
| 88.97.0.0/18 |
ADSL
|
16,384 | RIPE NCC | ASSIGNED PA |
| 88.97.64.0/19 |
ZEN-PARTITION-CUSTOMER-NETWORKS-33
|
8,192 | RIPE NCC | ASSIGNED PA |
| 88.97.96.0/20 |
Zen Internet LTD
|
4,096 | RIPE NCC | ALLOCATED PA |
| 88.97.176.0/20 |
BRSK-CGNAT-2
|
4,096 | RIPE NCC | SUB-ALLOCATED PA |
| 88.98.0.0/20 |
Zen Internet LTD
|
4,096 | RIPE NCC | ALLOCATED PA |
| 88.98.16.0/23 |
Zen Internet LTD
|
512 | RIPE NCC | ALLOCATED PA |
| 88.98.18.0/24 |
Zen Internet
|
256 | RIPE NCC | ASSIGNED PA |
| 88.98.21.0/24 |
Zen Internet LTD
|
256 | RIPE NCC | ALLOCATED PA |
| 88.98.22.0/23 |
Zen Internet LTD
|
512 | RIPE NCC | ALLOCATED PA |
| 88.98.24.0/21 |
Zen Internet
|
2,048 | RIPE NCC | LIR-PARTITIONED PA |
| 88.98.32.0/19 |
R.E.S.
|
8,192 | RIPE NCC | ASSIGNED PA |
| 88.98.64.0/19 |
Central Animal Pathology Laboratories
|
8,192 | RIPE NCC | ASSIGNED PA |
| 88.98.128.0/19 |
Zen Internet
|
8,192 | RIPE NCC | ASSIGNED PA |
| 88.98.160.0/21 |
Zen Internet
|
2,048 | RIPE NCC | ASSIGNED PA |
| 88.98.170.0/23 |
Zen Internet LTD
|
512 | RIPE NCC | ALLOCATED PA |
| 88.98.172.0/22 |
Zen Internet LTD
|
1,024 | RIPE NCC | ALLOCATED PA |
| 88.98.176.0/20 |
Zen Internet LTD
|
4,096 | RIPE NCC | ALLOCATED PA |
| 91.235.214.0/24 |
Strident LTD
|
256 | RIPE NCC | ASSIGNED PI |
| 146.66.64.0/18 |
ZEN-INFRA-ACCESS-PTP
|
16,384 | RIPE NCC | ASSIGNED PA |
| 185.6.135.0/24 |
Kijoma Broadband
|
256 | RIPE NCC | ASSIGNED PA |
| 185.81.232.0/22 |
Spectrum Internet LTD
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.169.116.0/23 |
PLUSTEL-DSL2
|
512 | RIPE NCC | ASSIGNED PA |
| 185.169.118.0/23 |
PLUSTEL-DSL
|
512 | RIPE NCC | ASSIGNED PA |
| 185.183.100.0/22 |
5g Communications Limited
|
1,024 | RIPE NCC | ALLOCATED PA |
| 188.122.32.0/20 |
5g Communications Limited
|
4,096 | RIPE NCC | ALLOCATED PA |
| 188.122.48.0/21 |
5g Communications Limited
|
2,048 | RIPE NCC | ALLOCATED PA |
| 188.122.56.0/22 |
5g Communications Limited
|
1,024 | RIPE NCC | ALLOCATED PA |
| 188.122.60.0/23 |
5g Communications Limited
|
512 | RIPE NCC | ALLOCATED PA |
| 188.122.63.0/24 |
Group5G
|
256 | RIPE NCC | ASSIGNED PA |
| 193.19.156.0/23 |
GHOST BROADBAND LIMITED
|
512 | RIPE NCC | SUB-ALLOCATED PA |
| 212.23.0.0/19 |
Rochdale
|
8,192 | RIPE NCC | ASSIGNED PA |
| 217.155.0.0/16 |
Zen Internet LTD
|
65,536 | RIPE NCC | ALLOCATED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:678:7a8::/49 |
WATERGROVE TRUST
|
6.0446× 1023 | RIPE NCC | ASSIGNED PI |
| 2001:678:7a8:8000::/49 |
WATERGROVE TRUST
|
6.0446× 1023 | RIPE NCC | ASSIGNED PI |
| 2a02:8010::/29 |
Zen Internet
|
6.3383× 1029 | RIPE NCC | ASSIGNED |
Peers
AS13037 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS1031
AS1248
AS1267
AS1828
AS1921
AS2119
AS2484
AS2603
AS2856
AS3170
AS3214
AS3216
AS3223
AS3741
AS4455
AS5405
AS5413
AS5466
AS5500
AS5713
AS6233
AS6424
AS6507
AS6667
AS6677
AS6717
AS6774
AS6866
AS6894
AS6908
AS6939
AS7195
AS7473
AS7575
AS8220
AS8426
AS8455
AS8681
AS8878
AS8896
AS8943
AS9002
AS9009
AS9044
AS9140
AS9354
AS9498
AS10310
AS12399
AS12496
AS12552
AS12969
AS13030
AS13122
AS13213
AS13237
AS13414
AS14537
AS14630
AS15412
AS15692
AS15802
AS15830
AS16247
AS16303
AS16347
AS16552
AS16637
AS17639
AS18059
AS18106
AS20596
AS20712
AS20764
AS20915
AS23028
AS23106
AS23889
AS24482
AS24916
AS25091
AS25152
AS25160
AS25369
AS28792
AS29075
AS29452
AS30081
AS30740
AS30844
AS31042
AS31122
AS31631
AS31742
AS32590
AS33182
AS33353
AS33763
AS33891
AS34087
AS34119
AS34177
AS34224
AS34288
AS34428
AS34549
AS34927
AS35266
AS35280
AS35313
AS35551
AS35598
AS36351
AS37100
AS37468
AS37497
AS37662
AS37678
AS37721
AS38719
AS38880
AS39063
AS39120
AS39122
AS39202
AS39351
AS39356
AS39498
AS39602
AS40934
AS41047
AS41095
AS41327
AS41354
AS41811
AS42295
AS42473
AS42708
AS42947
AS43256
AS44600
AS44735
AS45352
AS45758
AS47957
AS48070
AS48362
AS48945
AS49415
AS49425
AS49544
AS49600
AS50300
AS50304
AS50629
AS50823
AS51043
AS51185
AS51553
AS51918
AS52075
AS52320
AS54113
AS56329
AS56478
AS57304
AS58453
AS58511
AS58580
AS59624
AS60610
AS61124
AS61568
AS61955
AS62167
AS62217
AS62275
AS62955
AS63927
AS132337
AS137409
AS199452
AS200070
AS200612
AS200700
AS201864
AS203462
AS203582
AS204598
AS206067
AS206530
AS206999
AS207841
AS207995
AS210258
AS210805
AS212027
AS212109
AS212483
AS213054
AS213241
AS215638
AS263152
AS396986
AS398465
Upstreams
AS13037 connects to the global Internet via at least 3 upstream providers. In this setup, AS13037 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.