AS15435 DELTA Fiber Nederland B.V.

AS15435DELTA Fiber Nederland B.V.ISP

WHOIS Topology

Netherlands · RIPE NCCdeltafiber.nl

Home broadbandRPKI filteringTor relays

IPv4 addresses

220,416

16 announced prefixes

IPv6 addresses

2.53 × 10³⁰

8 announced prefixes

BGP neighbours

…

CAIDA rank

#4,971

Customer cone 4 ASNs

Estimated users

815K

APNIC: 815K

RPKI

100% valid

0 invalid · 0 not covered

Average purity

71 sampled IPs

IXPs / facilities

7 / 2

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
62.45.0.0/16	Valid	NL-ZEELANDNET-20000609RIPE	Honselersdijk	65,536
62.238.128.0/17	Valid	NL-ZEELANDNET-20001101RIPE	Domburg	32,768
81.172.128.0/17	Valid	NL-ZEELANDNET-20030116RIPE	Eexterveen	32,768
141.224.192.0/18	Valid	NL-ZEELANDNET-19900803RIPE	Albergen	16,384
149.143.64.0/18	Valid	DFN-FTTH-CustomersRIPE	Loenen	16,384
149.143.32.0/19	Valid	ORG-ZB1-RIPE-DELTA-FIBERRIPE	Goes	8,192
212.92.64.0/19	Valid	NL-ZEELANDNET-990114RIPE	Hulst	8,192
212.115.192.0/19	Valid	NL-ZEELANDNET-990714RIPE	Flushing	8,192
213.34.224.0/19	Valid	NL-ZEELANDNET-19990917RIPE	Oostdijk	8,192
213.184.96.0/19	Valid	NL-ZEELANDNET-20021122RIPE	Domburg	8,192
217.63.64.0/19	Valid	NL-ZEELANDNET-20001123RIPE	Flushing	8,192
217.102.240.0/20	Valid	NL-ZEELANDNET-20001205RIPE	Middelburg	4,096
193.176.104.0/21	Valid	HVVNETRIPE	Netherlands	2,048
185.200.96.0/22	Valid	NL-ZEELANDNET-20170421RIPE	Netherlands	1,024
62.45.44.0/24	Valid	KABELFOONRIPE	Naaldwijk	256
193.177.166.0/24	Valid	VLIS-NETRIPE	Netherlands	256

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 54 / 861 （6%） · flagged 16

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

62.45.0.0/1632/256 with data · 7 flagged

81.172.128.0/1710/128 with data · 4 flagged

141.224.192.0/186/64 with data · 2 flagged

149.143.64.0/183/64 with data · 1 flagged

62.238.128.0/171/128 with data · 1 flagged

212.115.192.0/191/32 with data · 0 flagged

213.34.224.0/191/32 with data · 1 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 3970–84 2450–69 80–49 0

0.04%

Share of IPv4 reported or blocklisted

Listed IPs

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
81.172.241.0/24	1	2

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Netherlands100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS15435 · Last 7 days

Mobile vs. Desktop

Desktop61.5%Mobile38.4%

Bot vs. Human

Human82.7%Bot17.3%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv460.7%IPv639.3%

HTTP Version

HTTP/1.x

19.9%HTTP/2

48.9%HTTP/3

31.2%

HTTP vs. HTTPS

98.1% HTTPS (encrypted)

Plain HTTP 1.9%

TLS Version

TLS 1.0/1.1< 0.1%TLS 1.26.1%TLS 1.362.1%QUIC31.8%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

86.1%POST

11.6%OPTIONS

1.6%HEAD

0.7%Other

< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

139,780

7-day total

5,315

Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 18:00–19:00
Active hours: 16 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Mon

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BGP upstreams and neighbours

AS15435Standalone page

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WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-08-27
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-17
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
Network tags	Public routing data community tags	2026-10-21
IP reputation	CleanIP lookups and neighbour sampling	—

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Multi-source cross-checks · In-house reputation data · Real data only