We are able to see your range from Cogent and Hurricane Electric now. Just took time Routes For: 23.151.232.0/24 Timestamp: 2023-04-26 11:27:07 UTC - Prefix: 23.151.232.0/24 - RPKI State: Not Verified - AS Path: 6939 → 23470 → 23470 → 23470 → 23470 - Next Hop: 184.105.58.113 - Weight: 170 - Local Preference: 100 - MED: 0 - Communities: - Originator: - Peer: 216.218.253.50 - Age: 6 hours (Wed, 26 Apr 2023 05:01:41 UTC) - Prefix: 23.151.232.0/24 - RPKI State: Not Verified - AS Path: 6939 → 23470 → 23470 → 23470 → 23470 - Next Hop: 184.105.92.241 - Weight: 170 - Local Preference: 100 - MED: 0 - Communities: - Originator: - Peer: 100.78.0.6 - Age: 6 hours (Wed, 26 Apr 2023 05:01:39 UTC) - Prefix: 23.151.232.0/24 - RPKI State: Not Verified - AS Path: 174 → 3257 → 23470 → 23470 → 23470 → 23470 - Next Hop: 38.140.137.161 - Weight: 170 - Local Preference: 100 - MED: 10020 - Communities: - 174:21000 - 174:22013 - Originator: - Peer: 66.28.1.16 - Age: 3 hours (Wed, 26 Apr 2023 08:57:05 UTC) Thanks Travis From: NANOG <nanog-bounces+tgarrison=netviscom.com@nanog.org> On Behalf Of August Yang via NANOG Sent: Tuesday, April 25, 2023 9:54 PM To: Ryan Hamel <ryan@rkhtech.org>; Neel Chauhan <neel@neelc.org>; nanog@nanog.org Subject: Re: IPv4 Subnet 23.151.232.0/24 blackholed? The range has only been announced for 2 hours. Just wait longer for filters to refresh as Ryan advised. On 2023-04-25 10:49 p.m., Ryan Hamel wrote: Neel, Carriers rebuild their prefixes lists once or twice in a 24 hour period. Considering that you just got the block today and is in ReliableSite's AS-SET, you just got to be patient. Having announcements propagated immediately either sounds like it happened a day after you gave them the LOA, or they have unfiltered transit circuits, which is worrisome. Ryan ------ Original Message ------ From "Neel Chauhan" <neel@neelc.org><mailto:neel@neelc.org> To nanog@nanog.org<mailto:nanog@nanog.org> Date 4/25/2023 7:35:40 PM Subject IPv4 Subnet 23.151.232.0/24 blackholed? Hi, I recently got the IPv4 allocation 23.151.232.0/24 from ARIN. I also had my hosting company ReliableSite announce it to the internet. Right now, I can only access networks that peer with ReliableSite via internet exchanges, such as Google, CloudFlare, OVH, Hurricane Electric, et al. It seems the Tier 1 ISPs (e.g. Lumen, Cogent, AT&T, et al.) are blackholing the IPv4 subnet 23.151.232.0/24. Could someone who works at a Tier 1 NOC please check and remove the blackhole if any exists? Normally when ReliableSite announced my prior (then-leased) IPv4 space it gets propagated via BGP almost immediately. This time it's not going through at all. Best, Neel Chauhan -- Best regards August Yang