Comcast And Road Runner Backbone
Jul 14, 2009Both have a nationwide backbone, ibone for Comcast and tbone for Road Runner. Which one is bigger and does anyone have a network map?
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Hurricane Electric Is The Only Global Backbone With Hosting
May 25, 2009I need to host a service that has to have best possible speed anywhere in the world.
I am unable to find anything comparable to Hurricane Electric.
They own 15+ transit nodes in America, 4 in europe, 1 in asia
And they provide dedicated hosting.
I am looking for the alternatives because HE's service is very rudimentary, they just provide servers and you're on your own.
Especially, there's no KVM-over-ip, to reinstall or upgrade you have to pay them $200 every time.
But the connection rates, network uptime are best you ever get.
So there's not possible to get both: level 1 connection and great dedicated hosting service?
There are either backbone providers or service providers.
Is Hurricane Electric the only one who does both?
Comcast Carrier
Sep 24, 2009We're having a meeting today with Comcast about letting them move fiber into our facility. Please do not post experiences with Comcast CABLE. I want to know your experience as other datacenters and hosts with Comcast Fiber. What do you know about their fiber and what is your experience with them in both standalone and BGP?
Reliability, latency, peering quality, etc. We are in the Houston area, where so far I have heard they are pretty good with most I have talked to, and a few negatives. At what level would you use their connection?
Comcast PRO And RDNS
May 7, 2008I have Comcast Business PRO Internet service for work purposes. I've got two web/dns servers and two mail servers, each having their own IP. These are all fine.
There had been a couple situations in the past where I would receive a "Relaying Denied" message from my PINE when sending mail out. At examination of the maillog, It's essentially telling me that these messages are being generated because of the lack of reverse DNS.
xxx.xxx.xxx.xxx-Oregon.hfc.comcastbusiness.net., instead of my.domain.com.
I did a couple searches on Google, and read somewhere that Comcast is unwilling to create rDNS entries, but they've not specified, so far, whether they subscribe to PRO or residential service.
Before I spend 90 minutes on the phone with Comcast, I thought I'd see if anybody here has been successful with rDNS and Comcast PRO before. It seems to me that by denying this, it defeats the purpose of the "dedicated" service that I signed up with ...
Comcast Peering In California
Jul 14, 2009Are there any co-location companies in California (preferably northern) that have a peering agreement directly with Comcast?
Not sure if it's peering or transit I should be asking about. Basically I'm trying to get the best path I can afford to Comcast customers in California.
FDC Network Upgrades - Comcast Etc
Jul 1, 2008it looks like FDC is taking more pain than usual in terms of network upgrade, i see the network seems unstable till 5am and even now the sessions are getting lost, once in a while like once a hr, anyway this is not the reason i am writing this, but when did comcast become transit provider, i did a trace to UK for example and i see trace going through comcast and then hopping onto tiscali/level3, it looks to me like, comcast could be trying to even out (1:1) it;s carriers so that they get all inbound for free sort of and it;s upstream selling as a transit make money there. sort of, just a surprise to me at this point
2 <1 ms <1 ms <1 ms 66.90.127.141 [66.90.127.141]
3 1 ms 1 ms 1 ms be-10-604-cr01.chicago.il.ibone.comcast.net [68.
6.89.49]
4 37 ms 40 ms 36 ms pos-1-14-0-0-cr01.newyork.ny.ibone.comcast.net [
8.86.85.105]
5 42 ms 42 ms 42 ms pos-1-15-0-0-cr01.mclean.va.ibone.comcast.net [6
.86.85.89]
6 30 ms 30 ms 31 ms xe-3-1-0.was11.ip.tiscali.net [213.200.84.117]
7 122 ms 115 ms 113 ms xe-2-1-0.par70.ip.tiscali.net [89.149.186.165]
8 119 ms 119 ms 119 ms kpn-eurorings-gw.ip.tiscali.net [213.200.85.238]
9 120 ms 120 ms 123 ms asd2-rou-1021.NL.eurorings.net [134.222.231.177]
10 119 ms 119 ms 167 ms obl-rou-1021.NL.eurorings.net [134.222.231.130]
Comcast Hosting Regulations
Apr 28, 2008I have a business class comcast account and have been able to host multiple sites on my server but ive recently read strange things about comcast's regulations towards this.
there really arent any alternatives in my area for a connection and i have multiple accounts right now. has anyone had any bad experiences in this situation?
Seeing Lousy Performance On Comcast
Jan 24, 2008San Francisco to Ashburn
3 * 137 ms 111 ms ge-2-20-ur01.santaclara.ca.sfba.comcast.net [68.
86.143.145]
4 * 39 ms 89 ms pos-0-7-0-0-ar01.sfsutro.ca.sfba.comcast.net [68
.86.90.154]
5 * 289 ms 17 ms pos-0-9-0-0-cr01.sanjose.ca.ibone.comcast.net [6
8.86.85.130]
6 645 ms 95 ms 76 ms pos-0-9-0-0-cr01.denver.co.ibone.comcast.net [68
.86.85.118]
7 843 ms 111 ms 262 ms pos-0-10-0-0-cr01.chicago.il.ibone.comcast.net [
68.86.85.54]
8 124 ms 100 ms 114 ms pos-0-3-0-0-cr01.cleveland.oh.ibone.comcast.net
9 167 ms 125 ms 225 ms
pos-0-6-0-0-cr01.pittsburgh.pa.ibone.comcast.net
[68.86.85.42]
10 156 ms 108 ms 164 ms te-0-4-0-7-cr01.mclean.va.ibone.comcast.net [68.
86.84.93]
11 113 ms 192 ms 107 ms te-1-1-pr01.ashburn.va.ibone.comcast.net [68.86.
84.94]
12 188 ms 233 ms 112 ms xe-3-1-0.was11.ip.tiscali.net [213.200.84.117]
San Francisco to Santa Clara
6 87 ms 60 ms 75 ms sar1.sffca.ip.att.net [12.123.12.121]
7 57 ms 61 ms 52 ms te-0-3-0-0-ar01.sfsutro.ca.sfba.comcast.net [68.
87.226.185]
8 67 ms 79 ms * ge-2-20-ur01.santaclara.ca.sfba.comcast.net [68.
86.143.145]
9 176 ms 142 ms 129 ms ge-2-20-ur01.santaclara.ca.sfba.comcast.net [68.
86.143.145]
Not Receiving Mails From Comcast..
Mar 29, 2007For some reason... No one with a Comcast.net email address can email us..
Always the Rejected Email comes back with This message:
==============================================================
A message (from <yyyyyyy@comcast.net>) was received at 29 Mar 2007 3:15:15 +0000.
The following addresses had delivery problems:
<yyyyy@sellwebhost.com>
Permanent Failure: 550-Callback_setup_failed_while_verifying_<yyyyyyy@comcast.net>
Delivery last attempted at Thu, 29 Mar 2007 03:15:18 -0000
=============================================================
I have used "yyyyyyy" only to alter the email address for privacy..
Comcast, Verizon And QWest Peering
May 24, 2008I find it very interesting that the major ISPs in and around Portland Oregon apparently do not peer with anyone in the region. For low latency you're better off choosing a provider in Seattle or San Jose as traffic always seems to be routed there and back anyways.
Why is this? Is it simply not worth their effort to setup the peering connections because most traffic will be hosted outside the region anyways?
Comcast Emails Bounced Back
Jun 20, 2008Is anyone else having a large number of Comcast email addresses being bounced back?
We found that it started two weeks ago and is spreading to other Comcast addresses that were previously working.
If you have received info on this or if it is happening to your network as well,
Emails Getting Blocked By Comcast/Trend Micro
Apr 15, 2009I've recently gotten a new dedicated server and am in a bit of a bind because all emails to Comcast are blocked. I have verified that the IP is not on any RBL I can find but it does appear on the Trend Micro DUL list. This is a list that appears to not be maintained but which the wingnuts at Comcast are using. Emails to the maintainer of the list or to Comcast are auto-responded to and promptly ignored.
I'm at wits end (admittedly, not a long journey) with this. As a small provider I guess I just don't count but it is annoying as hell that there is no way to get these folks to listen. Every legitimate RBL on the planet has someone to help with issues but Trend Micro appears to not. And Comcast doesn't care about their customers getting legitimate email. Actually, I guess they just don't care period.
Has anyone else experienced this and, if so, were you able to figure out what magical incantation it takes to get through to a human who cares?
Softlayer Adds Private Peering With Comcast
Dec 3, 2008I just read this on their forums.Softlayer is pleased to announce that we have turned up a private 10G peer with Comcast in Dallas. This will bring our total capacity in Dallas to 70Gs.
Dallas, TX (dal01) - 70Gs
Verio - 20G (2x 10G)
Level3 - 10G
Savvis - 10G
Global Crossing - 10G
Internap - 10G
Comcast - 10G private peering Which other providers have this?
Can't Send Outbound Email From My Server With Comcast
Nov 7, 2008It appears Comcast is now blocking port 25. As a result, I can't sent outbound email via my dedicated server. They had me change to port 587 for my comast email account, but that doesn't solve my not being able to send outbound from my dedicated server.
Is there anythighn I can do (like change the post my mail server uses to 587) so that I can send outbound mail from my server with outlook (over Comcast connection) or am I just stuck now with using web mail?