A small isp requests your help, Computer Network Security

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QUESTION

A small ISP requests your help. The technicians report that they have had no downstream access to the Internet. They believe the problem lies with their access provider. They provide you with the following logs. What type of attack is this? What can be done to fix the problem?

16:16:07.607758 130.127.120.29 > 255.255.255.255: icmp: echo request (DF) (ttl 238, id 46507)

16:16:07.607758 207.24.115.20 > 130.127.120.29: icmp: echo reply (ttl 64, id 802)

16:16:07.607758 207.24.115.112 > 130.127.120.29: icmp: echo reply (ttl 60,id 3187)

16:16:07.607758 207.24.115.111 > 130.127.120.29: icmp: echo reply (ttl 60, id 12937)

16:16:10.877758 130.127.120.29 > 255.255.255.255: icmp: echo request (DF) (ttl 238, id 46508)

16:16:10.877758 207.24.115.20 > 130.127.120.29: icmp: echo reply (ttl 64, id 803)

16:16:10.877758 207.24.115.111 > 130.127.120.29: icmp: echo reply (ttl 60, id 12938)

16:16:10.877758 207.24.115.112 > 130.127.120.29: icmp: echo reply (ttl 60, id 3188)

16:16:12.757758 195.210.86.88 > 255.255.255.255: icmp: echo request (ttl 241, id 64402)

16:16:12.757758 207.24.115.20 > 195.210.86.88: icmp: echo reply (ttl 64, id 804)

16:16:12.757758 207.24.115.111 > 195.210.86.88: icmp: echo reply (ttl 60, id 12939)

16:16:12.757758 207.24.115.112 > 195.210.86.88: icmp: echo reply (ttl 60, id 3189)

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