Cereal2 · Network

Attacks observed on CT HangZhou IDC (AS58461)

Cereal2 attack observations affecting AS58461 CT HangZhou IDC: targeted prefixes, attack methods, destination ports, and timing over the last 30 days.

103 observations · Last 30 days · Latest observation 2026-09-14 13:54:18 UTC

Most affected countries

China103

Most observed methods

Recent observations

2026-09-14 13:54:18 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-14 13:54:18 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-14 13:54:18 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-14 13:54:18 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-14 13:54:18 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-14 04:03:39 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-14 04:03:39 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-14 04:03:39 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-14 04:03:39 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-14 04:03:39 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-13 16:12:19 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-13 16:12:19 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-13 16:12:19 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-13 16:12:19 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-13 16:12:19 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-13 15:32:53 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-13 15:32:53 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-13 15:32:53 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-13 15:32:53 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-13 15:32:53 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-13 05:25:54 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-13 05:25:54 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-13 05:25:54 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-13 05:25:54 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-13 05:25:54 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-13 01:57:14 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-13 01:57:14 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-13 01:57:14 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-13 01:57:14 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-13 01:57:14 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-13 01:20:47 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-13 01:20:47 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.44/32UDP/801mChina
2026-09-13 01:20:47 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.41/32UDP/801mChina
2026-09-13 01:16:47 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina
2026-09-13 01:16:47 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.45/32UDP/801mChina
2026-09-12 02:51:41 UTCRaw IPv4/TCP packet flood variant 2203.135.100.45/32TCP/221mChina
2026-09-12 02:15:41 UTCRaw IPv4/TCP packet flood variant 2203.135.100.48/32TCP/221mChina
2026-09-10 14:58:54 UTCRaw IPv4/TCP packet flood variant 2115.236.153.253/32TCP/5111mChina
2026-09-10 06:16:46 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.48/32UDP/801mChina
2026-09-07 23:33:29 UTCUDP flood with large datagrams (default 1400-byte payload)203.135.100.40/32UDP/801mChina

botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.