155.136.200.0/23
🇬🇧IPv4RIPENCCannouncedMOASNo ROA
CIDR
155.136.200.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 155.136.200.0/23 | AS21054UK-NATWEST-AS21054 Natwest Markets PLC | No ROA | RIPE | 5/31/2026 |
| 155.136.200.0/23 | AS21301UK-NATWEST-AS21301 Natwest Markets PLC | No ROA | RADBRIPE | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 155.136.0.0/16 | AS21054UK-NATWEST-AS21054 Natwest Markets PLC | No ROA | — | 5/31/2026 |
| 155.136.128.0/17 | AS21054UK-NATWEST-AS21054 Natwest Markets PLC | No ROA | — | 5/31/2026 |
| 155.136.200.0/24 | AS21301UK-NATWEST-AS21301 Natwest Markets PLC | No ROA | — | 5/31/2026 |
| 155.136.201.0/24 | AS21301UK-NATWEST-AS21301 Natwest Markets PLC | No ROA | — | 5/31/2026 |
Origin ASNs (2)
AS21054MOAS
UK-NATWEST-AS21054 Natwest Markets PLC
AS21301MOAS
UK-NATWEST-AS21301 Natwest Markets PLC
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/155.136.200.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/155.136.200.0/23" | jq
External Links