IPv4 R&E Routing Table Report 21:10 GMT Tue 16 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: 1053137 Prefixes after maximum aggregation (per Origin AS): 406968 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 523006 Number of IPv4 prefixes with a valid ROA: 703195 Number of IPv4 prefixes with an invalid ROA: 113 Number of IPv4 prefixes with no ROA: 349829 Total ASes present in the Internet Routing Table: 78656 Prefixes per ASN: 13.39 Origin-only ASes present in the Internet Routing Table: 67271 Origin ASes announcing only one prefix: 27497 Transit ASes present in the Internet Routing Table: 11385 Transit-only ASes present in the Internet Routing Table: 594 Paths with bogon ASNs present in the IPv4 Routing Table: 19 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: 1234 Number of instances of unregistered ASNs: 1264 Number of 32-bit ASNs allocated by the RIRs: 50135 Number of 32-bit ASNs visible in the Routing Table: 40872 Prefixes from 32-bit ASNs in the Routing Table: 233990 Number of bogon 32-bit ASNs visible in the Routing Table: 96 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 466 Number of addresses announced to Internet: 3119672320 Equivalent to 185 /8s, 242 /16s and 108 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 344332 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286946 Total APNIC prefixes after maximum aggregation: 84734 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 272978 Unique aggregates announced from the APNIC address blocks: 109321 APNIC Region origin ASes present in the Internet Routing Table: 15232 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 4656 APNIC Region transit ASes present in the Internet Routing Table: 2070 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 52 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10825 Number of APNIC addresses announced to Internet: 747703040 Equivalent to 44 /8s, 145 /16s and 11 /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: 305750 Total ARIN prefixes after maximum aggregation: 137739 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304559 Unique aggregates announced from the ARIN address blocks: 148837 ARIN Region origin ASes present in the Internet Routing Table: 19442 ARIN Prefixes per ASN: 15.67 ARIN Region origin ASes announcing only one prefix: 7107 ARIN Region transit ASes present in the Internet Routing Table: 1965 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: 5629 Number of ARIN addresses announced to Internet: 1348066048 Equivalent to 80 /8s, 89 /16s and 219 /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: 292652 Total RIPE prefixes after maximum aggregation: 145913 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296780 Unique aggregates announced from the RIPE address blocks: 194613 RIPE Region origin ASes present in the Internet Routing Table: 29580 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12242 RIPE Region transit ASes present in the Internet Routing Table: 4125 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: 13540 Number of RIPE addresses announced to Internet: 749504256 Equivalent to 44 /8s, 172 /16s and 135 /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: 128832 Total LACNIC prefixes after maximum aggregation: 30866 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 123608 Unique aggregates announced from the LACNIC address blocks: 50319 LACNIC Region origin ASes present in the Internet Routing Table: 11418 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2759 LACNIC Region transit ASes present in the Internet Routing Table: 2627 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: 9478 Number of LACNIC addresses announced to Internet: 169833984 Equivalent to 10 /8s, 31 /16s and 118 /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: 37723 Total AfriNIC prefixes after maximum aggregation: 7046 AfriNIC Deaggregation factor: 5.35 Prefixes being announced from the AfriNIC address blocks: 54745 Unique aggregates announced from the AfriNIC address blocks: 19517 AfriNIC Region origin ASes present in the Internet Routing Table: 2038 AfriNIC Prefixes per ASN: 26.86 AfriNIC Region origin ASes announcing only one prefix: 733 AfriNIC Region transit ASes present in the Internet Routing Table: 394 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: 104311296 Equivalent to 6 /8s, 55 /16s and 170 /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 13959 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4955 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4592 347 24 FPT-VN - FPT Telecom Company, VN 7552 4053 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3701 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3555 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3428 215 601 LCS-AS-AP - LARUS Limited, HK 45899 3368 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2720 730 732 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 15300 41450 5595 AMAZON-02 - Amazon.com, Inc., US 22773 4763 3115 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4608 306 1093 CABLEONE - CABLE ONE, INC., US 7155 3868 286 88 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3374 4868 518 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3084 233 1040 AS-COLOCROSSING - HostPapa, US 7029 2642 2536 890 WINDSTREAM - Windstream Communications LL 30036 2541 352 584 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 7125 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4125 373 2511 M247 - M247 Europe SRL, RO 20940 3789 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3302 236 2462 CDNEXT - Datacamp Limited, GB 12389 3148 2320 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1700 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 12824 3265 628 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2345 500 345 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1928 369 65 AS11830 - Instituto Costarricense de Elec 11664 1489 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1370 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1218 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1090 70 359 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1061 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 617 34 Vodafone Data - Vodafone Data, EG 36992 1862 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1276 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 203 Africa on Cloud - Africa on Cloud, ZA 36914 551 82 3 Kenya Education Network - Kenya Education 15399 547 57 59 Wananchi Group (Kenya) Limited - Wananchi 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 15300 41450 5595 AMAZON-02 - Amazon.com, Inc., US 9808 13959 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12824 3265 628 AS8151 - UNINET, MX 12479 7125 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4955 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4763 3115 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4608 306 1093 CABLEONE - CABLE ONE, INC., US 18403 4592 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 13959 13840 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12824 12196 AS8151 - UNINET, MX 12479 7125 6975 UNI2-AS - Orange Espagne SA, ES 7545 5860 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4955 4627 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4592 4568 FPT-VN - FPT Telecom Company, VN 22773 4763 4401 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4053 4029 VIETEL-AS-AP - Viettel Group, VN 7155 3868 3780 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 8.28.60.0/24 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 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 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 23.131.104.0/24 Origin: 400290 UNASSIGNED 23.131.104.0/24 Transit: 6939 HURRICANE - Hurricane Electric LLC, US 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 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 /11:97 /12:299 /13:589 /14:1191 /15:2118 /16:13665 /17:8298 /18:13314 /19:25453 /20:45746 /21:52513 /22:113500 /23:108566 /24:667718 /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 7027 12824 AS8151 - UNINET, MX 12479 6054 7125 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3727 SHAW - Shaw Communications, CA 11492 3485 4608 CABLEONE - CABLE ONE, INC., US 22773 3041 4763 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2823 3868 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2766 15300 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2199 2541 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) ---------------------------------------------- 1:2534 2:2045 3:1015 4:5 5:5249 6:202 7:6 8:1426 9:69 11:172 12:1118 13:765 14:2715 15:474 16:313 17:444 18:937 20:614 21:4 22:188 23:8390 24:2777 25:2 27:2812 28:1 29:19 31:3799 32:36 34:87 35:287 36:4792 37:4433 38:10090 39:1311 40:447 41:4568 42:2158 43:3241 44:463 45:19781 46:4938 47:433 48:168 49:2323 50:2000 51:884 52:1359 54:304 55:1182 56:11 57:319 58:2744 59:1484 60:1174 61:3135 62:3153 63:1693 64:6467 65:2147 66:6063 67:3298 68:1242 69:4104 70:1053 71:615 72:3226 74:3089 75:1502 76:594 77:2923 78:2102 79:1798 80:2346 81:2314 82:4328 83:1476 84:2223 85:3863 86:1085 87:2752 88:1317 89:4762 90:794 91:8458 92:2779 93:3011 94:4645 95:4679 96:1448 97:310 98:941 99:865 100:69 101:1468 102:4712 103:32402 104:5576 105:860 106:902 107:2947 108:1302 109:3939 110:2282 111:4139 112:3103 113:1979 114:2510 115:2330 116:2084 117:3592 118:3044 119:2076 120:2805 121:1647 122:3011 123:2212 124:1927 125:2987 126:158 128:1616 129:974 130:1705 131:2469 132:902 133:488 134:1737 135:632 136:1489 137:1567 138:3393 139:1803 140:1855 141:1727 142:2571 143:2102 144:1785 145:654 146:2193 147:2279 148:2794 149:3302 150:1317 151:2981 152:2378 153:1799 154:9680 155:2360 156:4711 157:2428 158:1597 159:2865 160:3875 161:2031 162:4147 163:2623 164:2387 165:2784 166:1269 167:2355 168:4089 169:882 170:5630 171:1141 172:4906 173:3459 174:898 175:1364 176:3964 177:5048 178:4525 179:2437 180:3394 181:4612 182:4042 183:2858 184:2054 185:21848 186:6397 187:5402 188:4848 189:4606 190:9926 191:1749 192:11769 193:9627 194:7848 195:5846 196:3428 197:3146 198:6284 199:6184 200:8323 201:6531 202:10676 203:10689 204:4766 205:3790 206:4438 207:4043 208:4361 209:5515 210:4769 211:2690 212:5123 213:4091 214:1041 215:47 216:7286 217:3690 218:1767 219:409 220:2216 221:1327 222:941 223:3579 End of report