AS1261 — National Instruments Corporation
AS Name: NATINST-AS
Description: # Two-byte AS Number For National Instruments Corporation ** AS1261 ** #
Registry: RADB
aut-num: AS1261
as-name: NATINST-AS
descr: # Two-byte AS Number For National Instruments Corporation ** AS1261 ** #
import: from AS5580 action pref = 100; accept ANY
import: from AS4637 action pref = 100; accept ANY
import: from AS9930 action pref = 100; accept ANY
import: from AS701 action pref = 100; accept ANY
import: from AS3356 action pref = 100; accept ANY
import: from AS6939 action pref = 100; accept ANY
import: from AS3257 action pref = 100; accept ANY
import: from AS5483 action pref = 100; accept ANY
import: from AS12301 action pref = 100; accept ANY
export: to AS5580 action pref = 100; announce AS1261:AS-NATINST
export: to AS4637 action pref = 100; announce AS1261:AS-NATINST
export: to AS9930 action pref = 100; announce AS1261:AS-NATINST
export: to AS701 action pref = 100; announce AS1261:AS-NATINST
export: to AS3356 action pref = 100; announce AS1261:AS-NATINST
export: to AS6939 action pref = 100; announce AS1261:AS-NATINST
export: to AS3257 action pref = 100; announce AS1261:AS-NATINST
export: to AS5483 action pref = 100; announce AS1261:AS-NATINST
export: to AS12301 action pref = 100; announce AS1261:AS-NATINST
admin-c: CO105-ARIN
admin-c: NSN10-ARIN
admin-c: AJB10-ARIN
tech-c: NICCR-ARIN
remarks: https://whois.arin.net/rest/asn/AS1261/
notify: nigntirr@ni.com
mnt-by: MAINT-AS1261
changed: nikhil.naidu@ni.com 20210217 #08:21:20Z
source: RADB
last-modified: 2023-11-13T16:03:38Z
aut-num: AS1261
as-name: NATINST-AS
descr: # Two-byte AS Number For National Instruments Corporation ** AS1261 ** #
import: from AS5580 action pref = 100; accept ANY
import: from AS4637 action pref = 100; accept ANY
import: from AS9930 action pref = 100; accept ANY
import: from AS701 action pref = 100; accept ANY
import: from AS3356 action pref = 100; accept ANY
import: from AS6939 action pref = 100; accept ANY
import: from AS3257 action pref = 100; accept ANY
import: from AS5483 action pref = 100; accept ANY
import: from AS12301 action pref = 100; accept ANY
import: from AS7018 action pref = 100; accept ANY
export: to AS5580 action pref = 100; announce AS1261:AS-NATINST
export: to AS4637 action pref = 100; announce AS1261:AS-NATINST
export: to AS9930 action pref = 100; announce AS1261:AS-NATINST
export: to AS701 action pref = 100; announce AS1261:AS-NATINST
export: to AS3356 action pref = 100; announce AS1261:AS-NATINST
export: to AS6939 action pref = 100; announce AS1261:AS-NATINST
export: to AS3257 action pref = 100; announce AS1261:AS-NATINST
export: to AS5483 action pref = 100; announce AS1261:AS-NATINST
export: to AS12301 action pref = 100; announce AS1261:AS-NATINST
export: to AS7018 action pref = 100; announce AS1261:AS-NATINST
remarks: https://whois.arin.net/rest/asn/AS1261/
admin-c: CO105-ARIN
tech-c: CO105-ARIN
tech-c: NICCR-ARIN
tech-c: NSN10-ARIN
mnt-by: MNT-NIC-193-Z
created: 2026-01-21T20:38:04Z
last-modified: 2026-01-21T20:38:04Z
source: ARIN
Direct Membership
Macros that directly list AS1261 as a member:
AS1261:AS-NATINST(1 members)
AS-HIBERNIA(61 members)
AS-MAGYARTELEKOM-HU(109 members)
AS-SET-9930(283 members)
AS-GTTCUST(3453 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
AS-TRANSROUTE-SPEC(19556 members)
AS-HURRICANE(23268 members)
Expanded Membership
All macros containing AS1261 (directly or via nested macros): 395
Show 100 macros
AS1261:AS-NATINST(1 ASNs)
AS-MAGYARTELEKOM-HU(110 ASNs)
AS-SET-9930(283 ASNs)
AS-SET-GTI-PIP(872 ASNs)
AS-SET-GTI(1,036 ASNs)
AS-ATRATO(4,334 ASNs)
AS-ATRATO6(4,334 ASNs)
AS-HIBERNIA(4,334 ASNs)
AS-SH-CUST(7,354 ASNs)
AS-STARHUBINTERNET(7,359 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-MATAV(17,357 ASNs)
AS-STIX(18,626 ASNs)
AS-TRANSROUTE-SPEC(19,556 ASNs)
AS-SEABONECUSTAS(19,767 ASNs)
AS-HURRICANE(23,268 ASNs)
AS-NFON-LINX-PEERS-V4(23,268 ASNs)
AS-NFON-LINX-PEERS-V6(23,268 ASNs)
AS56507:AS-IXPMK(23,393 ASNs)
AS-TRANSROUTE(23,421 ASNs)
AS-DECIX-RIC(23,570 ASNs)
AS393752:AS-DECIX-RIC(23,570 ASNs)
AS-VSNL-IN(23,661 ASNs)
AS31561:AS-MEMBERS-PAR(23,675 ASNs)
AS-SEECIX(23,696 ASNs)
AS56858:AS-SEECIX(23,696 ASNs)
AS-PITER-IX-ROV(23,906 ASNs)
AS-LAMBDA(24,056 ASNs)
AS-PITER-IX-RIGA(24,405 ASNs)
AS30781:AS-JAGUAR-PEERING-TIX(24,490 ASNs)
AS215405:AS-CONNECTED(24,530 ASNs)
AS-OHIOIX-CMH(24,548 ASNs)
AS-OHIOIX(24,587 ASNs)
AS57369:AS-ONIX(24,726 ASNs)
AS-LTTUKPEERS(24,991 ASNs)
AS-LTT(24,993 ASNs)
AS-LIXP(25,221 ASNs)
AS-MFNX(26,187 ASNs)
AS-RETN-HK(26,343 ASNs)
AS47214:AS-LILLIX(26,738 ASNs)
AS-SMILE(26,794 ASNs)
AS43100:AS-MEMBERS(26,826 ASNs)
AS-SFINX-RS-MEMBERS-IPV6(26,914 ASNs)
AS-SFINX-RS-MEMBERS(26,976 ASNs)
AS-BALT-IX(27,227 ASNs)
AS30781:AS-JAGUAR-PEERING-CIXP(27,405 ASNs)
AS-PITER-IX-FRA(27,939 ASNs)
AS4470:AS-TORIX-PEERS(27,996 ASNs)
AS4470:AS-PEERS(28,002 ASNs)
AS-LITIX(28,046 ASNs)
AS-SET-STHIX-RS(28,136 ASNs)
AS7606:AS-VIC-IX(29,635 ASNs)
AS-FIXO(29,811 ASNs)
AS209861:AS-PEERS(29,811 ASNs)
AS55176:AS-MEMBERS(29,827 ASNs)
AS-IXPLAY(30,348 ASNs)
AS-STARTNIX-EU(30,348 ASNs)
AS30781:AS-JAGUAR-PEERING-SWISS-IX(31,389 ASNs)
AS-KCIX-MEMBERS(32,832 ASNs)
AS-DECIX-BCN(33,636 ASNs)
AS57802:AS-DECIX-BCN(33,636 ASNs)
AS-DECIX-ASE(34,557 ASNs)
AS38137:AS-DECIX-ASE(34,557 ASNs)
AS-DECIX-LIS(34,749 ASNs)
AS43729:AS-DECIX-LIS(34,749 ASNs)
AS-SOVAM(34,887 ASNs)
AS-CWCCUSTOMERS(34,940 ASNs)
AS-MERCURY(34,969 ASNs)
AS-UUNETEUDE(34,985 ASNs)
AS702:AS-DE-CUSTOMER(34,985 ASNs)
AS-TELARM(35,456 ASNs)
AS-ARMENTEL(35,460 ASNs)
AS-SET-UTG(35,510 ASNs)
AS-AZERSATMEMBERS(35,515 ASNs)
AS-SKYVISION-2(35,554 ASNs)
AS-SKYVISION(35,589 ASNs)
AS702:AS-BE-CUSTOMER(35,695 ASNs)
AS-RASCOM(35,828 ASNs)
AS20764:AS-RASCOM(35,829 ASNs)
AS-PIRIX(36,082 ASNs)
AS-PIRIX-CUSTOM(36,082 ASNs)
AS-ELBA-IX-ROUTESERVER(36,120 ASNs)
AS-T-CIX(36,150 ASNs)
AS48193:AS-PITER-IX-FRA(36,250 ASNs)
AS-TTNET(36,321 ASNs)
AS-MF-MGSM(36,444 ASNs)
AS-TTK(36,818 ASNs)
AS702:AS-SE-CUSTOMER(37,142 ASNs)
AS-MONIX-PEERS(37,180 ASNs)
AS30781:AS-JAGUAR-PEERING-EQUINIX-PA(37,230 ASNs)
AS-TAHOEIX-MEMBERS(37,370 ASNs)
AS-MBIX-RS-MEMBERS(37,425 ASNs)
AS-ECRCCUSTDE(37,596 ASNs)
AS-ECRC(37,597 ASNs)
AS-ECRCDE(37,597 ASNs)
AS-ECRCLINX(37,597 ASNs)
AS-CWE(37,716 ASNs)
AS-ONIX(37,766 ASNs)
... and 295 more
Upstream AS Paths
39 unique paths, avg length 2.1
AS Looking Glass
Upstream paths (matching graph above)
All 39 Upstream Paths
Complete list of all observed paths
AS1261 IPv4 Address Subnets (9)
| 130.164.62.0/23 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.80.0/23 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.94.0/23 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.0.0/24 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.126.0/24 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.127.0/24 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.26.0/24 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.74.0/24 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |
| 130.164.75.0/24 | 🇺🇸 US | National Instruments Corporation ** AS1261 ** | NATINST-AS |