Very strange records!!!

Hi,
Recently I noted that in my LNS, appeared very strange records.
Details:
TCP : Block incoming connections, Internet >> PC, 00:09:7C:131:38, [4.31.5.3]. Edonkey-p2p=4662
What hell is that IP

ICMP : All ICMP types (nukes, ...), 00:09:7C:131:38, [128.9.0.109]
14 6D 14 85 00 00 00 00 7F 0D A7 22
Another strange IP!!!

Please explain me!!

 

"Trying 4.31.5.3 at ARIN
Trying 4.31.5 at ARIN

OrgName: Level 3 Communications, Inc.
OrgID: LVLT
Address: 1025 Eldorado Blvd.
City: Broomfield
StateProv: CO
PostalCode: 80021
Country: US

NetRange: 4.0.0.0 - 4.255.255.255
CIDR: 4.0.0.0/8
NetName: LVLT-ORG-4-8"

"Trying 128.9.0.109 at ARIN
Trying 128.9.0 at ARIN

OrgName: Information Sciences Institute
OrgID: ISI-3
Address: 4676 Admiralty Way, Suite 1001
City: Marina del Rey
StateProv: CA
PostalCode: 90292-6695
Country: US

NetRange: 128.9.0.0 - 128.9.255.255
CIDR: 128.9.0.0/16
NetName: ISI-NET"

What particular concern do you have about these IP's?

Regards,

CrazyM