Data as of Nov 14, 2026
170.48.0.0/18
No anonymizer space · no proxy exits in 30 daysCIGNA
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 170.48.0.0/20 since Dec 2013 | AS11406 | Business | CIGNA | |
| 170.48.0.0/24 since Aug 2021 | AS11406 | Business | CIGNA | |
| 170.48.1.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.2.0/24 since Sep 2020 | AS11406 | Business | CIGNA | |
| 170.48.7.0/24 since Sep 2020 | AS11406 | Business | CIGNA | |
| 170.48.8.0/24 since Sep 2020 | AS11406 | Business | CIGNA | |
| 170.48.10.0/24 since Sep 2020 | AS11406 | Business | CIGNA | |
| 170.48.11.0/24 since Sep 2020 | AS11406 | Business | CIGNA | |
| 170.48.12.0/24 since May 2021 | AS11406 | Business | CIGNA | |
| 170.48.13.0/24 since Sep 2020 | AS11406 | Business | CIGNA | |
| 170.48.14.0/24 since Aug 2020 | AS11406 | Business | CIGNA | |
| 170.48.15.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.16.0/20 since Oct 2013 | AS13348 | Business | CIGNA | |
| 170.48.16.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.17.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.18.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.19.0/24 since Jun 2021 | AS13348 | Business | CIGNA | |
| 170.48.20.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.23.0/24 since Aug 2021 | AS13348 | Business | CIGNA | |
| 170.48.24.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.25.0/24 since May 2021 | AS13348 | Business | CIGNA | |
| 170.48.27.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.28.0/24 since Jun 2021 | AS13348 | Business | CIGNA | |
| 170.48.29.0/24 since Aug 2020 | AS13348 | Business | CIGNA | |
| 170.48.30.0/24 since Jun 2021 | AS13348 | Business | CIGNA | |
| 170.48.31.0/24 since Sep 2020 | AS13348 | Business | CIGNA | |
| 170.48.32.0/20 since Mar 2020 | AS11406 | Business | CIGNA | |
| 170.48.32.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.33.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.36.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.39.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.43.0/24 since Nov 2023 | AS11406 | Business | CIGNA | |
| 170.48.47.0/24 since Sep 2022 | AS11406 | Business | CIGNA | |
| 170.48.48.0/20 since Mar 2020 | AS13348 | Business | CIGNA | |
| 170.48.48.0/24 since Nov 2023 | AS13348 | Business | CIGNA | |
| 170.48.49.0/24 since Nov 2023 | AS13348 | Business | CIGNA | |
| 170.48.50.0/24 since Nov 2023 | AS13348 | Business | CIGNA | |
| 170.48.52.0/24 since Nov 2023 | AS13348 | Business | CIGNA | |
| 170.48.55.0/24 since Nov 2023 | AS13348 | Business | CIGNA | |
| 170.48.59.0/24 since Nov 2023 | AS13348 | Business | CIGNA | |
| 170.48.63.0/24 since Sep 2022 | AS13348 | Business | CIGNA |
Network & registry
Origin network
AS13348
US
- Name
- CIGNA
- Type
- Business
- Registered
- Mar 5, 2010
- Domain
- cigna.com
- Industry
- Insurance Carriers and Agencies
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2020
- Current origin since
- Nov 2022 · 4.0 yr
- Origin networks
- 2
- Last change of origin
- Sep 23, 2026
Recorded history
History
- Handoffs
- 7
- Also announced by
- 11406
Whois
Registration for this announcement
- Range
- 170.
48. 0. 0/ 16 - Netname
- CIGNA
- Registrant
- CIGNA
- Organization
- CIGNA (CIGNA-7)
- Org address
- 300 Bellevue Drive, Wilmington, DE, 19809
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-48-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- Feb 10, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 10, 1994
- Status
- assigned
Report abuse
Abuse contact
- arin-abuse@
cigna. com - Name
- CIGNAabuse
- Phone
- +1-877-902-4462
- Handle
- CIGNA1-ARIN