Hamburg Messe und Congress GmbH
Data as of 2026-10-18
GLEIF verified
Complete entity footprint
2 linked clusters ·
5 netblocks ·
584 IPv4 addresses ·
1 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
5299008TIH1ZX3NI0317
Registered name
Hamburg Messe und Congress GmbH
Jurisdiction
Ultimate parent
Freie und Hansestadt Hamburg
5299005PBRMP33GHX798
This organisation
| Netblocks | 4 · 328 IPv4 addresses |
| IPv6 | 1 prefix (largest 2003:8:20::/48) |
| Record ID | 250199974 |
| Registry | RIPE |
| Owner jurisdiction | DE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5299008TIH1ZX3NI0317 |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.154.181.40/29 | Hamburg Messe und Congress GmbH | RIPE | ASSIGNED PA | ● high |
| 80.146.183.0/24 | Hamburg Messe und Congress GmbH | RIPE | ASSIGNED PA | ● high |
| 193.159.220.0/26 | Hamburg Messe und Congress GmbH | RIPE | ASSIGNED PA | ● high |
| 2003:8:20::/48 | Hamburg Messe und Congress GmbH | RIPE | ASSIGNED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2003:8:20::/48 |
Corporate group (2 confirmed entities)
+1 additional unconfirmed candidate not shown — full list (JSON)- Hamburger Hochbahn AG 1 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (2)
These blocks are registered to Hamburg Messe und Congress GmbH but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2003:8:20::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 80.146.183.0/24 /24 | authorized for AS3320 — Deutsche Telekom AG |
NIC Handles
DTAG-NIC
DTAG-RR
DUMY-RIPE
DUMY-RIPE
ORG-HMUC1-RIPE