Project Indigo - Subnet Information for 172.81.0.0/16

Subnet 172.81.0.0/16

IP addresses in this subnet was first detected at Sat, 29 Dec 2018 14:00:27 -0600, and most recently at Fri, 16 Jan 2026 14:11:01 -0600. 9,532 attack(s) have been seen across 80 IP address(es).

#	IP Address:	Attacks:	#	IP Address:	Attacks:	#	IP Address:	Attacks:
1	172.81.254.82	799	28	172.81.241.252	95	55	172.81.131.110	19
2	172.81.246.239	739	29	172.81.208.207	90	56	172.81.128.111	13
3	172.81.215.201	686	30	172.81.239.74	89	57	172.81.250.181	13
4	172.81.241.92	543	31	172.81.240.237	89	58	172.81.210.175	11
5	172.81.214.138	426	32	172.81.204.249	88	59	172.81.227.243	10
6	172.81.235.238	413	33	172.81.250.132	88	60	172.81.61.165	9
7	172.81.245.82	408	34	172.81.212.111	86	61	172.81.61.8	8
8	172.81.241.135	348	35	172.81.226.147	86	62	172.81.131.84	7
9	172.81.234.69	325	36	172.81.243.195	78	63	172.81.133.103	7
10	172.81.239.224	304	37	172.81.253.97	72	64	172.81.243.158	7
11	172.81.243.232	302	38	172.81.253.175	68	65	172.81.131.111	6
12	172.81.248.249	242	39	172.81.242.50	65	66	172.81.203.80	6
13	172.81.211.207	214	40	172.81.205.216	55	67	172.81.207.136	6
14	172.81.234.10	199	41	172.81.224.43	52	68	172.81.239.153	6
15	172.81.212.58	196	42	172.81.210.122	51	69	172.81.203.227	5
16	172.81.248.134	183	43	172.81.238.222	50	70	172.81.208.68	5
17	172.81.212.47	161	44	172.81.240.252	49	71	172.81.227.23	5
18	172.81.216.129	157	45	172.81.209.10	48	72	172.81.248.117	5
19	172.81.250.106	154	46	172.81.61.229	40	73	172.81.132.208	4
20	172.81.237.219	151	47	172.81.253.233	38	74	172.81.237.242	3
21	172.81.238.79	135	48	172.81.207.201	36	75	172.81.248.131	3
22	172.81.251.217	128	49	172.81.206.23	35	76	172.81.206.168	2
23	172.81.252.123	125	50	172.81.205.236	33	77	172.81.211.47	2
24	172.81.214.136	124	51	172.81.242.185	32	78	172.81.212.130	2
25	172.81.226.22	107	52	172.81.131.52	30	79	172.81.239.21	2
26	172.81.242.40	107	53	172.81.239.168	26	80	172.81.132.118	1
27	172.81.203.33	95	54	172.81.239.104	25