IPv4 R&E Routing Table Report 21:10 GMT Fri 05 Jun, 2026 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 1049289 Prefixes after maximum aggregation (per Origin AS): 404825 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 520290 Number of IPv4 prefixes with a valid ROA: 690283 Number of IPv4 prefixes with an invalid ROA: 112 Number of IPv4 prefixes with no ROA: 358894 Total ASes present in the Internet Routing Table: 78594 Prefixes per ASN: 13.35 Origin-only ASes present in the Internet Routing Table: 67250 Origin ASes announcing only one prefix: 27495 Transit ASes present in the Internet Routing Table: 11344 Transit-only ASes present in the Internet Routing Table: 590 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 68 Max AS path prepend of ASN ( 63293) 64 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1103 Number of 32-bit ASNs allocated by the RIRs: 50001 Number of 32-bit ASNs visible in the Routing Table: 40799 Prefixes from 32-bit ASNs in the Routing Table: 231706 Number of bogon 32-bit ASNs visible in the Routing Table: 102 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 460 Number of addresses announced to Internet: 3103739648 Equivalent to 184 /8s, 255 /16s and 79 /24s Percentage of available address space announced: 83.8 Percentage of allocated address space announced: 83.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 342620 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 285713 Total APNIC prefixes after maximum aggregation: 84075 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 271931 Unique aggregates announced from the APNIC address blocks: 108698 APNIC Region origin ASes present in the Internet Routing Table: 15192 APNIC Prefixes per ASN: 17.90 APNIC Region origin ASes announcing only one prefix: 4658 APNIC Region transit ASes present in the Internet Routing Table: 2057 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10785 Number of APNIC addresses announced to Internet: 747572480 Equivalent to 44 /8s, 143 /16s and 13 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 304575 Total ARIN prefixes after maximum aggregation: 137450 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303471 Unique aggregates announced from the ARIN address blocks: 148436 ARIN Region origin ASes present in the Internet Routing Table: 19445 ARIN Prefixes per ASN: 15.61 ARIN Region origin ASes announcing only one prefix: 7107 ARIN Region transit ASes present in the Internet Routing Table: 1968 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 68 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5618 Number of ARIN addresses announced to Internet: 1348119808 Equivalent to 80 /8s, 90 /16s and 173 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-404380 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 290971 Total RIPE prefixes after maximum aggregation: 144739 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 294820 Unique aggregates announced from the RIPE address blocks: 193061 RIPE Region origin ASes present in the Internet Routing Table: 29568 RIPE Prefixes per ASN: 9.97 RIPE Region origin ASes announcing only one prefix: 12249 RIPE Region transit ASes present in the Internet Routing Table: 4112 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13521 Number of RIPE addresses announced to Internet: 733699584 Equivalent to 43 /8s, 187 /16s and 94 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 129247 Total LACNIC prefixes after maximum aggregation: 30897 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123586 Unique aggregates announced from the LACNIC address blocks: 50330 LACNIC Region origin ASes present in the Internet Routing Table: 11429 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2747 LACNIC Region transit ASes present in the Internet Routing Table: 2612 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9475 Number of LACNIC addresses announced to Internet: 169799936 Equivalent to 10 /8s, 30 /16s and 241 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 37725 Total AfriNIC prefixes after maximum aggregation: 7040 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 55020 Unique aggregates announced from the AfriNIC address blocks: 19377 AfriNIC Region origin ASes present in the Internet Routing Table: 2035 AfriNIC Prefixes per ASN: 27.04 AfriNIC Region origin ASes announcing only one prefix: 734 AfriNIC Region transit ASes present in the Internet Routing Table: 393 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1400 Number of AfriNIC addresses announced to Internet: 104291840 Equivalent to 6 /8s, 55 /16s and 94 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 13949 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5872 824 472 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4950 552 326 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4547 347 24 FPT-VN - FPT Telecom Company, VN 7552 4065 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3698 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3541 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3432 216 617 LCS-AS-AP - LARUS Limited, HK 45899 3369 1868 98 VNPT-AS-VN - VNPT Corp, VN 24560 2740 745 735 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15102 41427 5625 AMAZON-02 - Amazon.com, Inc., US 22773 4765 3115 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1090 CABLEONE - CABLE ONE, INC., US 7155 3871 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3369 4868 517 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3136 54728 2387 DNIC-AS-00749 - United States Department 36352 3066 232 1053 AS-COLOCROSSING - HostPapa, US 7029 2644 2540 894 WINDSTREAM - Windstream Communications LL 30036 2545 353 592 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7150 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4073 370 2467 M247 - M247 Europe SRL, RO 20940 3793 3389 109 AKAMAI-ASN1 - Akamai International B.V., 12389 3147 2318 869 ROSTELECOM-AS - PJSC Rostelecom, RU 212238 3007 218 2247 CDNEXT - Datacamp Limited, GB 34984 2483 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1724 1852 14 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12752 3254 644 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2347 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1930 369 65 AS11830 - Instituto Costarricense de Elec 11664 1482 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1365 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1225 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1092 71 361 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1072 2392 100 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 2027 633 35 Vodafone Data - Vodafone Data, EG 36992 1861 1532 337 ETISALAT MISR - ETISALAT MISR, EG 36935 1292 523 45 Vodafone Data - Vodafone Data, EG 24863 1272 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1232 555 98 Office National des Postes et Telecommuni 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 624 57 171 Africa on Cloud - Africa on Cloud, ZA 20011 598 157 222 Dimension Data - Dimension Data, ZA 36914 554 82 3 Kenya Education Network - Kenya Education Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15102 41427 5625 AMAZON-02 - Amazon.com, Inc., US 9808 13949 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12752 3254 644 AS8151 - UNINET, MX 12479 7150 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5872 824 472 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4950 552 326 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4765 3115 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1090 CABLEONE - CABLE ONE, INC., US 18403 4547 347 24 FPT-VN - FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13949 13830 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12752 12108 AS8151 - UNINET, MX 12479 7150 7001 UNI2-AS - Orange Espagne SA, ES 7545 5872 5400 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4950 4624 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4547 4523 FPT-VN - FPT Telecom Company, VN 22773 4765 4402 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4065 4041 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3781 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc., 23.137.200.0/24 Origin: 16276 OVH - OVH SAS, FR 23.137.200.0/24 Transit: 7575 AARNET-AS-AP - Australian Academic and R Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:95 /12:298 /13:582 /14:1190 /15:2110 /16:13578 /17:8301 /18:13310 /19:25431 /20:45775 /21:52451 /22:113482 /23:108334 /24:664282 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6973 12752 AS8151 - UNINET, MX 12479 6082 7150 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3727 SHAW - Shaw Communications, CA 11492 3471 4594 CABLEONE - CABLE ONE, INC., US 22773 3056 4765 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2826 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2735 15102 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2201 2545 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2511 2:2051 3:1000 4:5 5:5196 6:202 7:6 8:1427 9:70 11:172 12:1119 13:704 14:2717 15:469 16:220 17:443 18:931 20:612 21:4 22:188 23:8400 24:2777 25:2 27:2809 28:1 29:19 31:3768 32:36 34:87 35:285 36:4785 37:4440 38:9935 39:1308 40:411 41:4564 42:2140 43:3219 44:456 45:19740 46:4931 47:421 48:161 49:2307 50:2017 51:825 52:1348 54:291 55:1156 56:11 57:317 58:2527 59:1390 60:1166 61:3134 62:3144 63:1675 64:6429 65:2149 66:6004 67:3272 68:1259 69:4095 70:1052 71:617 72:3192 74:3093 75:1501 76:587 77:2885 78:2059 79:1703 80:2341 81:2285 82:4321 83:1460 84:2208 85:3849 86:1097 87:2689 88:1309 89:4747 90:801 91:8419 92:2779 93:3013 94:4442 95:4684 96:1450 97:309 98:941 99:855 100:69 101:1465 102:4703 103:32304 104:5476 105:858 106:900 107:2953 108:1285 109:3940 110:2279 111:4131 112:3098 113:1992 114:2531 115:2318 116:2069 117:3599 118:3048 119:2083 120:2916 121:1648 122:3011 123:2234 124:1697 125:2984 126:158 128:1598 129:979 130:1696 131:2445 132:892 133:488 134:1731 135:620 136:1473 137:1563 138:3406 139:1806 140:1857 141:1755 142:2573 143:2078 144:1773 145:656 146:2190 147:2265 148:2795 149:3271 150:1364 151:2947 152:2384 153:1758 154:9614 155:2342 156:4984 157:2430 158:1586 159:2869 160:3854 161:2022 162:4128 163:2613 164:2384 165:2763 166:1268 167:2366 168:4087 169:878 170:5626 171:1139 172:4899 173:3444 174:897 175:1360 176:3966 177:5111 178:4470 179:2449 180:3286 181:4602 182:4043 183:2864 184:2018 185:21810 186:6280 187:5069 188:4650 189:4594 190:9912 191:1703 192:11770 193:9611 194:7810 195:5753 196:3404 197:3238 198:6268 199:6065 200:8310 201:6481 202:10685 203:10694 204:4803 205:3786 206:4442 207:4012 208:4378 209:5493 210:4763 211:2695 212:5081 213:4093 214:1039 215:47 216:7242 217:3636 218:1764 219:408 220:2216 221:1324 222:948 223:3585 End of report