So far it's happening entirely at home, both from my phone and computer.
My ISP is centurylink.
I haven't seen it happen at work (ISP is Comcast).
Tracert results
C:\Users\jeff>tracert 216.158.28.196
Tracing route to democraticunderground.com [216.158.28.196]
over a maximum of 30 hops:
1 1 ms 1 ms 1 ms [192.168.0.1]
2 23 ms 24 ms 24 ms xxx-xxx-xxx-x.dyn.centurytel.net [xxx.xxx.xxx.x]
3 24 ms 30 ms 24 ms 208-110-248-149.centurylink.net [208.110.248.149]
4 24 ms 24 ms 23 ms bb-sttlwawb-jx4-02-ae0.core.centurytel.net [206.51.69.142]
5 * * * Request timed out.
6 24 ms 24 ms 24 ms sea-brdr-02.inet.qwest.net [67.14.41.18]
7 24 ms 23 ms 24 ms 206.111.7.153.ptr.us.xo.net [206.111.7.153]
8 136 ms 104 ms 103 ms vb2000d1.rar3.seattle-wa.us.xo.net [207.88.13.142]
9 102 ms 107 ms 108 ms te-4-0-0.rar3.denver-co.us.xo.net [207.88.12.82]
10 113 ms 108 ms 109 ms te-4-1-0.rar3.chicago-il.us.xo.net [207.88.12.21]
11 110 ms 106 ms 107 ms vb24.rar3.washington-dc.us.xo.net [207.88.12.34]
12 102 ms 102 ms 102 ms ae0d0.mcr1.philadelphia-pa.us.xo.net [216.156.0.42]
13 101 ms 101 ms 102 ms ae1d0.mcr2.philadelphia-pa.us.xo.net [216.156.1.22]
14 101 ms 101 ms 101 ms ae1d0.mcr1.philadelphia-pa.us.xo.net [216.156.1.21]
15 102 ms 108 ms 101 ms 66.236.204.166.ptr.us.xo.net [66.236.204.166]
16 102 ms 105 ms 102 ms core-4-gig-vlan-500.hq.dca.net [216.158.2.2]
17 * 102 ms 104 ms core-2-gig-vlan-500.hq.dca.net [216.158.2.5]
18 103 ms 102 ms 102 ms democraticunderground.com [216.158.28.196]
Trace complete.
C:\Users\jeff>