Data as of Nov 15, 2026
45.156.128.0/24
135 residential-proxy exits · 30 daysNSEC - Sistemas Informaticos, S.A.
Residential-proxy exits
Proxy exits
135
53% of its addresses · 30 days
Oct 16, 2026 – Nov 14, 2026
Exits seen per day
1.2K observations
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 45.156.128.0/22 | 1,024 | PT-NSEC-BITSIGHT-20190920 | NSEC - Sistemas Informaticos, S.A. (ORG-NSIS5-RIPE) · PT | ALLOCATED PA | Feb 21, 2023 | optout@ |
| └ 45.156.128.0/24 | 256 | INAP-AMS-1 | unknown | ASSIGNED PA | Apr 7, 2023 | optout@ |
Network & registry
Registry
Holder
- Organization
- NSEC - Sistemas Informaticos, S.A.
- Handle
- ORG-NSIS5-RIPE
- Range
- 45.
156. 128. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Feb 21, 2023
Origin network
AS211680
PT
- Name
- NSEC - Sistemas Informaticos, S.A.
- Type
- Business
- Registered
- Mar 5, 2021
- Domain
- nsec.pt
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2021
- Current origin since
- Apr 2023 · 3.5 yr
- Origin networks
- 2
- Last change of origin
- Apr 2023
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 45.
156. 128. 0/ 24 - Netname
- INAP-AMS-1
- Registrant country
- NL
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Apr 7, 2023
- Updated
- Sep 23, 2025
- Maintainer
- MNT-BST
- RIR
- RIPE NCC
- Country
- PT
- Delegated
- Sep 20, 2019
- Status
- assigned
Report abuse
Abuse contact
- optout@
internet-census. org - Name
- Abuse-C Role
- Handle
- AR59913-RIPE