AS4021

Air Force Systems Networking

AS 4021 ASN-4020-1

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

1,024 IP addresses
ASN4021
NameASN-4020-1
OrganizationAir Force Systems Networking
CountryUnited States  
RegistryARIN
IPv4 addresses1,024
IPv6 /64 networks0
Prefixes4
Other ASN allocated to Air Force Systems Networking
ASN Name IP addresses
409 AFCONC-BLOCK1-AS 270,848
399 AFCONC-BLOCK1-AS 152,832
427 AFCONC-BLOCK1-AS 133,376
745 AFCONC-BLOCK2-AS 26,112
406 AFCONC-BLOCK1-AS 9,216
400 AFCONC-BLOCK1-AS 2,048
500 AFCONC-BLOCK1-AS 1,536
452 AFCONC-BLOCK1-AS 768
468 AFCONC-BLOCK1-AS 512
65 AF-RASN-65 512
405 AFCONC-BLOCK1-AS 256
441 AFCONC-BLOCK1-AS 256
744 AFCONC-BLOCK2-AS 256
398 AFCONC-BLOCK1-AS 256
461 AFCONC-BLOCK1-AS 256
463 AFCONC-BLOCK1-AS 256
707 ELAN-AS 0
570 SSD-NET-AS 0
581 AMC-MAF-C2-ENCLAVES 0
582 GDSS-21AF-AS 0
583 GDSS-22AF-AS 0
584 GDSS-23AF-AS 0
1242 PLH-AS 0
585 GDSS-322ALD-AS 0
746 AFCONC-BLOCK2-AS 0
586 GDSS-834ALD-AS 0
587 GDSS-ANG-AS 0
720 WR-LOGDIS-AS 0
713 AFMPCGW-AS 0
548 HQUSAF-AS 0
1245 DET4LAN-AS 0
1260 PLE 0
4485 EMTF-RAMDEN 0
4486 EMTF-RAM 0
4487 EMTF-UPW 0
4488 EMTF-CRO 0
4489 EMTF-MOL 0
4490 EMTF-LAK 0
4607 NORAD-SPACE 0
5011 EMTF-AVI 0
5012 EMTF-AZO 0
5013 EMTF-IZM 0
5014 EMTF-INC 0
5021 PACAF-GCCS 0
4484 EMTF-BIT 0
4483 EMTF-SPANG 0
4482 CMS-AS3 0
1758 AFMPCGW1-AS 0
2545 STRATHOST 0
2550 STRATS 0
2742 TASDAC-LAFB 0
2743 AFIWC01 0
2747 AF-PROTEUS 0
4022 ASN-4020-1 0
4027 ASN-4020-1 0
4034 ASN-4020-1 0
4383 NAIC 0
4480 CMS-AS1 0
4481 CMS-AS2 0
13784 AFOTEC-AS 0
522 AFSC-SSD-AS 0
61 DEC-MARLBORO-AS 0
222 SMALC-HOSTNET-AS 0
240 SAALC-HOSTNET-AS 0
241 OCALC-HOSTNET-AS 0
246 ASIFICS-GW-AS 0
255 PAFB-GW 0
296 ACFP-AS 0
298 RADC-LONEX-AS 0
301 C3PO-AS 0
374 BROOKS-AS 0
221 WRALC-HOSTNET-AS 0
220 OOALC-HOSTNET-AS 0
218 AFOTECPCNET-AS 0
107 ECSNET-AS 0
123 LOGAIRCOMNET-AS 0
132 WPAFB-CSD-NET-AS 0
133 AFIT-AS 0
136 AF-ASN-136 0
146 HQEIS-AS 0
169 HANSCOM-NET-AS 0
175 PL-AS 0
216 LMSC-HOSTNET-AS 0
381 AFCONC-BLOCK1-AS 0
383 AFCONC-BLOCK1-AS 0
456 AFCONC-BLOCK1-AS 0
466 AFCONC-BLOCK1-AS 0
490 AFCONC-BLOCK1-AS 0
491 AFCONC-BLOCK1-AS 0
492 AFCONC-BLOCK1-AS 0
493 AFCONC-BLOCK1-AS 0
494 AFCONC-BLOCK1-AS 0
495 AFCONC-BLOCK1-AS 0
497 AFCONC-BLOCK1-AS 0
451 AFCONC-BLOCK1-AS 0
450 AFCONC-BLOCK1-AS 0
445 AFCONC-BLOCK1-AS 0
385 AFCONC-BLOCK1-AS 0
386 AFCONC-BLOCK1-AS 0
387 AFCONC-BLOCK1-AS 0
390 AFCONC-BLOCK1-AS 0
391 AFCONC-BLOCK1-AS 0
395 AFCONC-BLOCK1-AS 0
416 AFCONC-BLOCK1-AS 0
440 AFCONC-BLOCK1-AS 0
444 AFCONC-BLOCK1-AS 0
507 AFCONC-BLOCK1-AS 0
IPv4 Prefixes for AS4021
Network Location Addresses
128.26.29.0/24 Air Force Systems Networking   Frankfurt am Main 256
128.26.73.0/24 Air Force Systems Networking   Frankfurt am Main 256
198.218.102.0/24 Air Force Systems Networking   Dallas 256
198.218.108.0/24 Air Force Systems Networking   Dallas 256