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UDP traffic

Datagrams matching port:53 sent to HoneyLabs sensors over UDP in the last 24 hours. DNS questions and QUIC client fingerprints are decoded on the sensor. Other datagrams are kept as their first bytes and labelled by protocol where it can be recognised.

A UDP source address can be forged, so each address listed here either sent the traffic or was impersonated by whoever did. UDP traffic is kept out of verdicts, feeds, watchlists and alerts.

Clear search

158

Datagrams

56

Source addresses

23

Networks

14

Countries

1

Destination ports

Traffic by type

Service queries

153 datagrams from 51 sources

Requests a service answers without a handshake. Scanners send them to find open DNS, NTP, SNMP or SSDP servers, which are also the servers reflection attacks abuse.

DNS 153

Latest DNS datagram, to 53/udp

DNS query ANY wisc.edu

payload bytes
00000000  12 71 01 00 00 01 00 00  00 00 00 01 04 77 69 73  |.q...........wis|
00000010  63 03 65 64 75 00 00 ff  00 01 00 00 29 20 00 00  |c.edu.......) ..|
00000020  00 80 00 00 00                                    |.....|

Unrecognised

5 datagrams from 5 sources

Datagrams no decoder recognised. Their first bytes are kept.

Unrecognised 5

Latest Unrecognised datagram, to 53/udp

8·9·}·

payload bytes
00000000  38 a8 39 e2 fe 7d 87 e3  88 00 00 00 00 00        |8.9..}........|

Amplification checks

Probes for services that answer a small request with a much larger reply, the property reflection attacks rely on.

ServicePortDatagramsSourcesFactor
DNS53/udp1535128 to 54

The factor is how many bytes a reachable server can send back for each byte it receives, as published by CISA in alert TA14-017A.

Destination ports

DNS questions

DNS record types

Networks

Countries

Source addresses (unverified)

AddressNetworkCcSendsDatagramsLast seen (UTC)
216.180.246.101AS396982 Google LLCUSDNS172026-10-10 11:02
62.210.142.176AS12876 Scaleway SASFRDNS172026-10-10 16:28
216.180.246.141AS396982 Google LLCUSDNS172026-10-10 11:12
18.188.181.94AS16509 Amazon.com, Inc.USDNS102026-10-10 12:34
216.180.246.214AS396982 Google LLCUSDNS92026-10-10 16:32
45.135.193.115AS51396 Pfcloud UG (haftungsbeschrankt)DEDNS62026-10-11 02:15
141.98.83.48AS209588 Flyservers S.A.PADNS52026-10-10 05:46
51.158.205.203AS12876 Scaleway SASNLDNS42026-10-11 00:48
185.94.111.1AS51115 HLL LLCRUDNS42026-10-10 18:34
144.79.70.100AS154402 Fredyun NetworkSGDNS42026-10-11 03:24
185.73.23.133AS29484 Ruhr-Universitaet BochumDEDNS42026-10-10 09:32
45.205.1.231AS215925 Vpsvault.host LtdBRDNS42026-10-11 01:20
13.59.254.158AS16509 Amazon.com, Inc.USDNS42026-10-10 14:20
45.135.193.194AS51396 Pfcloud UG (haftungsbeschrankt)DEDNS32026-10-11 00:15
141.98.11.129AS209605 UAB Host BalticLTDNS32026-10-10 06:23
139.162.66.65AS63949 Akamai Connected CloudJPDNS32026-10-10 18:01
93.158.165.179AS13238 YANDEX LLCRUDNS22026-10-10 17:30
190.236.206.82AS6147 INTEGRATEL PERU S.A.A.PEDNS22026-10-10 23:04
43.134.56.104AS132203 Tencent Building, Kejizhongyi AvenueSGDNS22026-10-10 14:44
174.138.40.30AS14061 DigitalOcean, LLCUSDNS22026-10-10 08:59

Latest datagrams