AS51265 Mass Response Service GmbH

AS51265Mass Response Service GmbHISP

WHOIS Topology

Austria · RIPE NCCmassresponse.com

Mobile networkTor relays

IPv4 addresses

52,992

28 announced prefixes

IPv6 addresses

6.33 × 10²⁹

3 announced prefixes

BGP neighbours

…

CAIDA rank

#15,016

Customer cone 1 ASNs

Estimated users

26.3万

APNIC Labs estimate

RPKI

100% valid

0 invalid · 0 not covered

Average purity

4 sampled IPs

IXPs / facilities

5 / 11

Operator self-reported

History

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

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
41.66.64.0/18	Valid	BCSNET-20091215AFRINIC	AustriaCross-border	16,384
197.211.128.0/18	Valid	BCSIPV4NET16AFRINIC	ViennaCross-border	16,384
62.240.128.0/19	Valid	AT-MASSRESPONSE-20000627RIPE	Vienna	8,192
83.216.32.0/19	Valid	AT-MASSRESPONSE-20040225RIPE	Vienna	8,192
83.216.32.0/20	Valid	MASSRESPONSE-ATRIPE	Vienna	4,096
83.216.48.0/20	Valid	AT-MASSRESPONSE-20040225RIPE	United KingdomCross-border	4,096
62.240.136.0/21	Valid	MASSRESPONSE-INFRASTRUCTURE-ATRIPE	Vienna	2,048
62.240.144.0/21	Valid	SPUSU-MOBILE-ITRIPE	Milan	2,048
62.240.152.0/21	Valid	SPUSU-MOBILE-ATRIPE	Austria	2,048
83.216.48.0/21	Valid	MASSRESPONSE-GBRIPE	United Kingdom	2,048
62.240.128.0/22	Valid	MASSRESPONSE-BUSINESS-ATRIPE	Vienna	1,024
62.240.140.0/22	Valid	MASSRESPONSE-INFRASTRUCTURE-ATRIPE	Vienna	1,024
83.216.60.0/22	Valid	MASSRESPONSE-ITRIPE	Milan	1,024
178.157.4.0/22	Valid	AT-MASSRESPONSE-20100625RIPE	Vienna	1,024
185.44.52.0/22	Valid	AT-MASSRESPONSE-20131230RIPE	Vienna	1,024
185.69.244.0/22	Valid	AT-MASSRESPONSE-20131230RIPE	Vienna	1,024
62.240.132.0/23	Valid	MASSRESPONSE-BUSINESS-ATRIPE	Vienna	512
193.9.252.0/23	Valid	MRS-NETRIPE	Vienna	512
62.240.134.0/24	Valid	SPUSU-MOBILE-ATRIPE	Vienna	256
62.240.135.0/24	Valid	SPUSU-MOBILE-ITRIPE	Italy	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 6 / 207 （3%） · flagged 3

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

41.66.64.0/183/64 with data · 2 flagged

62.240.128.0/192/32 with data · 1 flagged

83.216.32.0/191/32 with data · 0 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

85–100 070–84 450–69 00–49 0

0.04%

Share of IPv4 reported or blocklisted

Listed IPs

Analysed IPs

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.

Austria81.6%
Italy8.7%
United Kingdom5.3%
Germany2.4%
Switzerland1.9%

Scope: Regional
In registered country: 81.6%

Estimated by sampling IPv4 ranges against a geolocation database.

トラフィック観測

AS51265 · 過去7日間

モバイルとデスクトップ

デスクトップ47.1%モバイル52.9%

ボットと人間

人間88.3%ボット11.7%

普及と利用状況

主要プロトコルの普及と利用状況

インターネットプロトコル（IP）のバージョン

IPv478.7%IPv621.3%

HTTPバージョン

HTTP/1.x

13.4%HTTP/2

52.9%HTTP/3

33.6%

HTTPとHTTPS

99.3% HTTPS（暗号化）

HTTP（暗号化なし）0.7%

TLSバージョン

TLS 1.0/1.1< 0.1%TLS 1.24.0%TLS 1.362.1%QUIC33.8%

セキュリティと攻撃

ネットワーク層とアプリケーション層の攻撃トラフィックの分析

レイヤー7攻撃

GET

86.1%POST

9.2%HEAD

2.7%OPTIONS

1.9%その他

< 0.1%

BGPアナウンス数

過去7日間の1時間ごとのBGP経路アナウンス数

113,226

7日間の合計

5,197

1時間あたりのピーク

データ：Cloudflare Radar、ライセンス：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: 17 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Wed

読み込み中…

BGPの上流と近隣ネットワーク

AS51265専用ページ

上流と近隣ネットワークを読み込み中…

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	2026-10-22
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-15
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	2026-10-22
IP reputation	CleanIP lookups and neighbour sampling	—

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