81.7.15.17 IP Lookup — ISPpro Internet KG

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

81/100

Trusted

How this score is built

Baseline (neutral) 65
Long-established allocation (17y) +6
Not on any threat blocklist +5
Has a reverse-DNS (PTR) record +5
Trust score 81 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR): butterflies.foremost.com
Forward-confirmed (FCrDNS): Not checked
PTR TTL: 86400 s
Reverse DNS last checked: 2026-07-18 23:54 UTC
Forward DNS last checked: 2026-07-18 23:54 UTC

Forward DNS records for butterflies.foremost.com

Type	Value	Priority	TTL
A	102.216.79.117	—	172800s
A	103.114.217.29	—	1800s
A	103.125.254.71	—	172800s
A	103.153.183.224	—	169522s
A	103.208.86.202	—	168953s
A	103.212.223.89	—	172800s
A	104.156.50.65	—	172800s
A	107.158.144.178	—	1800s
A	107.158.144.190	—	172800s
A	107.172.93.154	—	1800s
A	107.173.144.12	—	172800s
A	107.173.189.84	—	172800s
A	107.173.254.196	—	172800s
A	107.6.187.51	—	172800s
A	107.6.188.206	—	172800s
A	108.178.2.235	—	172800s
A	136.144.128.165	—	1800s
A	142.147.98.137	—	168953s
A	147.90.50.30	—	168719s
A	149.210.171.135	—	1800s
A	149.210.171.70	—	1800s
A	149.210.174.149	—	1800s
A	149.210.205.135	—	1800s
A	149.210.205.152	—	1800s
A	149.210.244.9	—	172003s
A	157.254.221.124	—	172800s
A	157.97.132.224	—	168953s
A	158.174.211.208	—	1800s
A	159.253.45.189	—	172800s
A	159.253.47.118	—	168123s
A	169.255.57.217	—	172800s
A	172.245.191.253	—	172800s
A	172.245.193.139	—	172800s
A	172.245.209.10	—	172800s
A	172.245.92.202	—	168123s
A	173.0.53.220	—	172800s
A	173.208.166.170	—	172800s
A	185.139.215.36	—	1800s
A	185.57.78.236	—	1800s
A	185.83.144.202	—	168561s
A	188.66.24.22	—	1800s
A	192.151.147.202	—	1800s
A	192.151.158.2	—	1800s
A	192.210.151.38	—	172800s
A	192.227.222.98	—	172800s
A	192.227.234.250	—	1800s
A	192.3.10.252	—	172800s
A	193.29.187.206	—	172800s
A	193.8.113.168	—	1800s
A	194.62.52.96	—	172800s
A	195.226.192.147	—	1800s
A	198.12.114.27	—	168123s
A	198.23.159.142	—	172800s
A	198.23.189.41	—	172800s
A	198.23.221.34	—	168123s
A	199.19.95.180	—	1800s
A	199.66.90.22	—	172800s
A	204.10.163.113	—	172800s
A	209.126.122.161	—	1800s
A	212.81.57.71	—	168123s
A	213.202.211.85	—	172800s
A	216.245.214.12	—	172800s
A	23.94.144.186	—	172800s
A	23.95.192.91	—	172800s
A	27.102.127.158	—	1800s
A	31.210.36.76	—	172800s
A	37.97.135.157	—	1800s
A	37.97.169.160	—	168123s
A	45.128.118.103	—	172800s
A	45.128.118.109	—	172800s
A	45.128.118.80	—	172800s
A	45.128.118.86	—	172800s
A	45.128.118.88	—	172800s
A	45.8.46.96	—	172800s
A	45.89.245.164	—	168953s
A	46.31.77.239	—	172800s
A	46.31.77.41	—	1800s
A	46.38.153.157	—	1800s
A	5.104.110.98	—	1800s
A	5.254.57.159	—	172800s
A	50.2.237.43	—	172800s
A	50.2.237.59	—	1800s
A	50.2.250.36	—	168953s
A	51.222.90.232	—	172800s
A	51.222.90.238	—	172003s
A	51.75.32.87	—	1800s
A	51.91.199.119	—	172800s
A	61.97.242.184	—	172800s
A	61.97.253.44	—	1800s
A	61.97.254.195	—	172800s
A	66.181.33.111	—	172800s
A	67.198.234.23	—	1800s
A	69.12.85.199	—	1800s
A	69.39.239.110	—	172800s
A	80.253.246.244	—	172800s
A	81.7.10.55	—	1800s
A	81.7.15.17	—	1800s
A	81.7.9.69	—	1800s
A	81.95.5.113	—	1800s
A	83.167.253.166	—	1800s
A	84.234.98.21	—	171624s
A	85.121.240.230	—	1800s
A	85.17.54.199	—	1800s
A	85.31.186.5	—	172800s
A	85.31.186.80	—	172800s
A	86.107.246.24	—	172800s
A	88.214.43.242	—	171624s
A	89.149.223.164	—	1800s
A	89.185.250.156	—	1800s
A	89.185.250.182	—	1800s
A	89.252.128.43	—	171624s
A	89.39.13.106	—	1800s
A	89.44.209.15	—	168123s
A	91.151.89.44	—	172800s
A	91.228.110.57	—	168123s
A	91.238.165.109	—	172800s
A	93.113.60.10	—	172800s
A	93.115.76.158	—	168249s
A	98.143.159.37	—	172800s
NS	dns1.registrar-servers.com	—	—
NS	dns2.registrar-servers.com	—	—
TXT	v=spf1 a mx ip4:103.212.220.138 ip4:103.212.220.139 ip4:103.212.220.137 ip4:103.212.220.140 ip4:103.212.220.141 -all	—	—

every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Hosted domains

Domains GRIP observed with an A record pointing to this IP — a forward-DNS view that complements the reverse (PTR) records above.

Network Allocation for 81.7.15.17

CIDR range: 81.7.0.0/18
IP range (int): 1,359,413,248 — 1,359,429,631
Prefix length: /18
Organization: ISPpro Internet KG
ASN: AS35366
ASN name: ISPpro Internet KG
Location: Germany
Coordinates: 51.299300, 9.491000
Accuracy radius: 200 km
Regional Internet Registry: RIPE
Allocated: 2009-09-18
Data source(s): maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated: 2026-07-11 00:20:09

BGP Routing

Live BGP anomalies →

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix

81.7.0.0/19

Origin AS

AS35366

Announcement samples

10,393

Last seen

2026-07-19 10:31:18

Frequently Asked Questions

Who owns 81.7.15.17?

81.7.15.17 is allocated to ISPpro Internet KG (AS35366), registered in Germany.

Where is 81.7.15.17 located?

The geolocation for 81.7.15.17 maps to Germany based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 81.7.15.17 on?

81.7.15.17 belongs to the 81.7.0.0/18 network block announced by AS35366. This range contains 16,384 addresses.

Does 81.7.15.17 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

81.7.15.9 81.7.15.10 81.7.15.11 81.7.15.12 81.7.15.13 81.7.15.14 81.7.15.15 81.7.15.16 81.7.15.18 81.7.15.19 81.7.15.20 81.7.15.21 81.7.15.22 81.7.15.23 81.7.15.24 81.7.15.25 See all in 81.7.0.0/18 →

81.7.15.17