Syringa Networks, LLC

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks54 · 55,308 IPv4 addresses
IPv6 15 prefixes (largest 2605:5800::/32)
Cluster ID213601105
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
58 +4 netblocks since 2026-07-05
2026-07-05 peak 58 2026-07-26

IP Ranges (54)

showing 50 of 54 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
45.33.222.0/23 Syringa Networks, LLC BGP ANNOUNCED ● high
64.136.100.0/22 Syringa Networks, LLC BGP ANNOUNCED ● high
66.232.64.0/19 Syringa Networks, LLC BGP ANNOUNCED ● high
67.215.32.0/20 Syringa Networks, LLC BGP ANNOUNCED ● high
69.59.31.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
104.245.20.0/22 Syringa Networks, LLC BGP ANNOUNCED ● high
149.112.13.35/32 Syringa Networks PEERINGDB ASSIGNED ● high
149.112.52.130/32 Syringa Networks PEERINGDB ASSIGNED ● high
151.122.232.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
158.120.248.0/22 Syringa Networks, LLC BGP ANNOUNCED ● high
161.115.208.0/20 Syringa Networks, LLC BGP ANNOUNCED ● high
162.57.146.0/23 Syringa Networks, LLC BGP ANNOUNCED ● high
173.224.176.0/20 Syringa Networks, LLC BGP ANNOUNCED ● high
192.35.255.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
198.32.195.72/32 Syringa Networks PEERINGDB ASSIGNED ● high
198.60.192.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
198.199.151.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
198.199.152.0/23 Syringa Networks, LLC BGP ANNOUNCED ● high
199.5.221.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
199.244.14.0/23 Syringa Networks, LLC BGP ANNOUNCED ● high
204.8.52.0/22 Syringa Networks, LLC BGP ANNOUNCED ● high
204.10.184.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
204.99.153.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
204.99.154.0/23 Syringa Networks, LLC BGP ANNOUNCED ● high
205.159.98.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
206.41.105.16/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.51.46.36/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.72.211.20/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.81.80.239/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.83.139.8/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.126.236.196/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.168.83.0/24 Syringa Networks, LLC BGP ANNOUNCED ● high
206.223.116.122/32 Syringa Networks PEERINGDB ASSIGNED ● high
206.223.118.199/32 Syringa Networks PEERINGDB ASSIGNED ● high
208.98.128.0/18 Syringa Networks, LLC BGP ANNOUNCED ● high
208.115.136.4/32 Syringa Networks PEERINGDB ASSIGNED ● high
209.25.172.0/22 Syringa Networks, LLC BGP ANNOUNCED ● high
209.141.112.0/20 Syringa Networks, LLC BGP ANNOUNCED ● high
216.182.96.0/20 Syringa Networks, LLC BGP ANNOUNCED ● high
2001:504:0:1:0:1:5305:1/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:0:2:0:1:5305:1/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:0:4:0:1:5305:1/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:0:5:0:1:5305:1/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:13::211:20/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:16::3bc9/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:3b::16/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:9f::8/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:105::35/128 Syringa Networks PEERINGDB ASSIGNED ● high
2001:504:129::82/128 Syringa Networks PEERINGDB ASSIGNED ● high
2605:5800::/32 Syringa Networks, LLC BGP ANNOUNCED ● high

IPv6 ranges (15)

CIDR
2605:5800::/32
2606:6580:2000::/35
2606:6580::/35
2001:504:0:1:0:1:5305:1/128
2001:504:0:2:0:1:5305:1/128
2001:504:0:4:0:1:5305:1/128
2001:504:0:5:0:1:5305:1/128
2001:504:105::35/128
2001:504:129::82/128
2001:504:13::211:20/128
2001:504:16::3bc9/128
2001:504:3b::16/128
2001:504:9f::8/128
2605:6c00:303:303::36/128
2620:124:2000::72/128

Network trust

what's this?
RPKI hygiene: D how networks compare →
25.9% of checked blocks have valid RPKI ROA coverage (15 of 58)
Possible discrepancies (2)

These blocks are registered to Syringa Networks, LLC but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2606:6580::/35 /35 authorized for AS397285 — Cambridge Telephone
2606:6580:2000::/35 /35 authorized for AS397285 — Cambridge Telephone

NIC Handles

ABUSE1644-ARIN AS15305 AS15305 HOSTM1669-ARIN HOSTM1669-ARIN NOC11875-ARIN SYRI