IPv4 R&E Routing Table Report 21:10 GMT Fri 19 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: 1053649 Prefixes after maximum aggregation (per Origin AS): 406897 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 523106 Number of IPv4 prefixes with a valid ROA: 704689 Number of IPv4 prefixes with an invalid ROA: 112 Number of IPv4 prefixes with no ROA: 348848 Total ASes present in the Internet Routing Table: 78706 Prefixes per ASN: 13.39 Origin-only ASes present in the Internet Routing Table: 67305 Origin ASes announcing only one prefix: 27520 Transit ASes present in the Internet Routing Table: 11401 Transit-only ASes present in the Internet Routing Table: 598 Paths with bogon ASNs present in the IPv4 Routing Table: 17 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: 1241 Number of instances of unregistered ASNs: 1271 Number of 32-bit ASNs allocated by the RIRs: 50195 Number of 32-bit ASNs visible in the Routing Table: 40909 Prefixes from 32-bit ASNs in the Routing Table: 233808 Number of bogon 32-bit ASNs visible in the Routing Table: 92 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 3120378880 Equivalent to 185 /8s, 253 /16s and 52 /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: 344637 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287010 Total APNIC prefixes after maximum aggregation: 84758 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 272922 Unique aggregates announced from the APNIC address blocks: 109237 APNIC Region origin ASes present in the Internet Routing Table: 15235 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 4671 APNIC Region transit ASes present in the Internet Routing Table: 2067 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10829 Number of APNIC addresses announced to Internet: 747758592 Equivalent to 44 /8s, 145 /16s and 228 /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: 305945 Total ARIN prefixes after maximum aggregation: 137781 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304652 Unique aggregates announced from the ARIN address blocks: 148807 ARIN Region origin ASes present in the Internet Routing Table: 19450 ARIN Prefixes per ASN: 15.66 ARIN Region origin ASes announcing only one prefix: 7113 ARIN Region transit ASes present in the Internet Routing Table: 1964 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: 1348414464 Equivalent to 80 /8s, 95 /16s and 44 /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: 292678 Total RIPE prefixes after maximum aggregation: 145730 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296945 Unique aggregates announced from the RIPE address blocks: 194843 RIPE Region origin ASes present in the Internet Routing Table: 29602 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12255 RIPE Region transit ASes present in the Internet Routing Table: 4127 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: 13558 Number of RIPE addresses announced to Internet: 749818880 Equivalent to 44 /8s, 177 /16s and 84 /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: 129031 Total LACNIC prefixes after maximum aggregation: 30877 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123813 Unique aggregates announced from the LACNIC address blocks: 50338 LACNIC Region origin ASes present in the Internet Routing Table: 11421 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2744 LACNIC Region transit ASes present in the Internet Routing Table: 2634 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: 9488 Number of LACNIC addresses announced to Internet: 169785344 Equivalent to 10 /8s, 30 /16s and 184 /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: 37744 Total AfriNIC prefixes after maximum aggregation: 7071 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54847 Unique aggregates announced from the AfriNIC address blocks: 19483 AfriNIC Region origin ASes present in the Internet Routing Table: 2043 AfriNIC Prefixes per ASN: 26.85 AfriNIC Region origin ASes announcing only one prefix: 737 AfriNIC Region transit ASes present in the Internet Routing Table: 393 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1405 Number of AfriNIC addresses announced to Internet: 104348928 Equivalent to 6 /8s, 56 /16s and 61 /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 13993 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4966 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4626 347 24 FPT-VN - FPT Telecom Company, VN 7552 4054 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3702 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3557 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3556 224 600 LCS-AS-AP - LARUS Limited, HK 45899 3371 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2724 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 15339 41456 5612 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1118 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3728 1305 74 SHAW - Shaw Communications, CA 396982 3377 4868 518 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3090 233 1045 AS-COLOCROSSING - HostPapa, US 7029 2647 2536 890 WINDSTREAM - Windstream Communications LL 30036 2544 353 575 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 7114 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4139 374 2515 M247 - M247 Europe SRL, RO 20940 3789 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3351 239 2507 CDNEXT - Datacamp Limited, GB 12389 3150 2320 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2480 366 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1701 1852 14 TE-AS - IDDQD-AS, EG 44559 1694 106 814 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1656 253 828 HostRoyale - HostRoyale Technologies Pvt 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 12828 3266 627 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2338 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1496 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1091 70 361 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1060 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 1863 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 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 203 Africa on Cloud - Africa on Cloud, ZA 36914 555 82 3 Kenya Education Network - Kenya Education 15399 549 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 15339 41456 5612 AMAZON-02 - Amazon.com, Inc., US 9808 13993 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12828 3266 627 AS8151 - UNINET, MX 12479 7114 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 4966 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4771 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4626 347 24 FPT-VN - FPT Telecom Company, VN 11492 4594 305 1118 CABLEONE - CABLE ONE, INC., US 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 13993 13874 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12828 12201 AS8151 - UNINET, MX 12479 7114 6964 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 4966 4636 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4626 4602 FPT-VN - FPT Telecom Company, VN 22773 4771 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4054 4030 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 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 23.131.156.0/24 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 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 /14:1193 /15:2118 /16:13671 /17:8296 /18:13324 /19:25464 /20:45743 /21:52531 /22:113510 /23:108727 /24:668017 /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 7030 12828 AS8151 - UNINET, MX 12479 6043 7114 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3509 3728 SHAW - Shaw Communications, CA 11492 3479 4594 CABLEONE - CABLE ONE, INC., US 22773 3050 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2775 15339 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2202 2544 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) ---------------------------------------------- 1:2532 2:2045 3:1023 4:5 5:5249 6:204 7:6 8:1426 9:73 11:172 12:1115 13:761 14:2720 15:474 16:316 17:444 18:944 20:614 21:4 22:188 23:8390 24:2775 25:2 27:2808 28:1 29:19 31:3784 32:36 34:88 35:287 36:4794 37:4425 38:10106 39:1317 40:445 41:4565 42:2169 43:3242 44:463 45:19935 46:4952 47:445 48:168 49:2324 50:2006 51:894 52:1358 54:304 55:1169 56:11 57:320 58:2748 59:1482 60:1175 61:3131 62:3159 63:1694 64:6470 65:2151 66:6054 67:3315 68:1264 69:4099 70:1051 71:615 72:3225 74:3098 75:1502 76:593 77:2909 78:2111 79:1798 80:2339 81:2303 82:4334 83:1477 84:2228 85:3859 86:1086 87:2754 88:1317 89:4765 90:790 91:8467 92:2776 93:3010 94:4664 95:4676 96:1447 97:309 98:935 99:866 100:69 101:1467 102:4710 103:32349 104:5598 105:860 106:902 107:2943 108:1304 109:3936 110:2279 111:4142 112:3103 113:1980 114:2506 115:2330 116:2083 117:3597 118:3055 119:2041 120:2735 121:1648 122:3008 123:2215 124:1915 125:2987 126:158 128:1613 129:970 130:1709 131:2468 132:895 133:488 134:1739 135:633 136:1490 137:1556 138:3404 139:1802 140:1861 141:1721 142:2577 143:2086 144:1810 145:660 146:2193 147:2269 148:2803 149:3300 150:1369 151:2961 152:2383 153:1806 154:9734 155:2339 156:4563 157:2426 158:1592 159:2866 160:3872 161:2036 162:4129 163:2626 164:2387 165:2791 166:1273 167:2363 168:4125 169:884 170:5618 171:1142 172:4907 173:3468 174:900 175:1362 176:3967 177:5110 178:4524 179:2443 180:3396 181:4629 182:4043 183:2880 184:2062 185:21890 186:6434 187:5415 188:4822 189:4617 190:9945 191:1749 192:11759 193:9630 194:7851 195:5862 196:3432 197:3160 198:6293 199:6112 200:8359 201:6567 202:10643 203:10672 204:4774 205:3800 206:4450 207:4045 208:4353 209:5474 210:4768 211:2687 212:5124 213:4097 214:1037 215:47 216:7288 217:3701 218:1772 219:409 220:2217 221:1328 222:942 223:3586 End of report