AS33820 REED-ELSEVIER-AS RELX GROUP PLC
π¬π§Org handle: ORG-REGP1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
19total
19 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)15,360
Announced (BGP)16,384
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Country
π¬π§ GBRIR
RIPE NCCStatus
allocated
Allocated
2004-08-10
Announced Prefixes
(BGP)19|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 | |
| Valid | Other IRRRIPE | 2026-10-10 |
1-10 of 19
1 / 2
Allocated Prefixes
(RIR)15Prefix | Country | RIR | Status |
|---|---|---|---|
| 145.36.0.0/20 | π¬π§ GB | RIPE | assigned |
| 145.36.16.0/20 | π¬π§ GB | RIPE | assigned |
| 145.36.32.0/20 | π¬π§ GB | RIPE | assigned |
| 145.36.48.0/24 | π¬π§ GB | RIPE | assigned |
| 145.36.49.0/24 | π¬π§ GB | RIPE | assigned |
| 145.36.50.0/24 | π¬π§ GB | RIPE | assigned |
| 145.36.51.0/24 | π¬π§ GB | RIPE | assigned |
| 145.36.52.0/24 | π¬π§ GB | RIPE | assigned |
| 145.36.53.0/24 | π¬π§ GB | RIPE | assigned |
| 145.36.54.0/24 | π¬π§ GB | RIPE | assigned |
1-10 of 15
1 / 2
ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS33820 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/33820Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/33820" | jq