IPv4 R&E Routing Table Report 21:10 GMT Fri 28 Aug, 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: 1066947 Prefixes after maximum aggregation (per Origin AS): 410856 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 529380 Number of IPv4 prefixes with a valid ROA: 738022 Number of IPv4 prefixes with an invalid ROA: 127 Number of IPv4 prefixes with no ROA: 328798 Total ASes present in the Internet Routing Table: 79131 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67697 Origin ASes announcing only one prefix: 27743 Transit ASes present in the Internet Routing Table: 11434 Transit-only ASes present in the Internet Routing Table: 612 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 97 Max AS path prepend of ASN ( 37447) 65 Prefixes from unregistered ASNs in the Routing Table: 1219 Number of instances of unregistered ASNs: 1229 Number of 32-bit ASNs allocated by the RIRs: 51001 Number of 32-bit ASNs visible in the Routing Table: 41459 Prefixes from 32-bit ASNs in the Routing Table: 239006 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3123608832 Equivalent to 186 /8s, 46 /16s and 125 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 350914 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289190 Total APNIC prefixes after maximum aggregation: 85075 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 275771 Unique aggregates announced from the APNIC address blocks: 109670 APNIC Region origin ASes present in the Internet Routing Table: 15328 APNIC Prefixes per ASN: 17.99 APNIC Region origin ASes announcing only one prefix: 4748 APNIC Region transit ASes present in the Internet Routing Table: 2061 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10924 Number of APNIC addresses announced to Internet: 748410880 Equivalent to 44 /8s, 155 /16s and 216 /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: 310151 Total ARIN prefixes after maximum aggregation: 138965 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 307906 Unique aggregates announced from the ARIN address blocks: 150949 ARIN Region origin ASes present in the Internet Routing Table: 19511 ARIN Prefixes per ASN: 15.78 ARIN Region origin ASes announcing only one prefix: 7157 ARIN Region transit ASes present in the Internet Routing Table: 1989 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5754 Number of ARIN addresses announced to Internet: 1353266432 Equivalent to 80 /8s, 169 /16s and 53 /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: 297220 Total RIPE prefixes after maximum aggregation: 147554 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 302948 Unique aggregates announced from the RIPE address blocks: 198018 RIPE Region origin ASes present in the Internet Routing Table: 29759 RIPE Prefixes per ASN: 10.18 RIPE Region origin ASes announcing only one prefix: 12296 RIPE Region transit ASes present in the Internet Routing Table: 4138 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: 13776 Number of RIPE addresses announced to Internet: 749928448 Equivalent to 44 /8s, 179 /16s and 0 /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: 131404 Total LACNIC prefixes after maximum aggregation: 31513 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 125568 Unique aggregates announced from the LACNIC address blocks: 51389 LACNIC Region origin ASes present in the Internet Routing Table: 11478 LACNIC Prefixes per ASN: 10.94 LACNIC Region origin ASes announcing only one prefix: 2784 LACNIC Region transit ASes present in the Internet Routing Table: 2653 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9564 Number of LACNIC addresses announced to Internet: 168040448 Equivalent to 10 /8s, 4 /16s and 24 /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: 37763 Total AfriNIC prefixes after maximum aggregation: 7037 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 54235 Unique aggregates announced from the AfriNIC address blocks: 18915 AfriNIC Region origin ASes present in the Internet Routing Table: 2078 AfriNIC Prefixes per ASN: 26.10 AfriNIC Region origin ASes announcing only one prefix: 758 AfriNIC Region transit ASes present in the Internet Routing Table: 390 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 97 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1441 Number of AfriNIC addresses announced to Internet: 103682048 Equivalent to 6 /8s, 46 /16s and 16 /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 14144 8736 125 CHINAMOBILE-CN - China Mobile Communicati 9498 5075 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4649 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4072 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3631 1043 65 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3616 887 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3391 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3095 316 1810 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 17561 2796 175 485 LCS-AS-AP - LARUS Limited, HK 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 16314 42641 5632 AMAZON-02 - Amazon.com, Inc., US 22773 4863 3185 423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4606 306 1135 CABLEONE - CABLE ONE, INC., US 7155 3999 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3744 1305 74 SHAW - Shaw Communications, CA 396982 3464 4879 549 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3171 237 1112 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 2779 2573 891 WINDSTREAM - Windstream Communications LL 31898 2682 1343 1149 ORACLE-BMC-31898 - Oracle Corporation, US 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 6965 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4774 294 80 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4182 374 2540 M247 - M247 Europe SRL, RO 20940 3804 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3533 255 2663 CDNEXT - Datacamp Limited, GB 12389 3117 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2513 369 585 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1940 121 917 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1720 1852 14 TE-AS - IDDQD-AS, EG 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 13068 3287 616 AS8151 - UNINET, MX 10620 3445 451 1108 AS10620 - Telmex Colombia S.A., CO 13999 2254 496 330 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1884 369 65 AS11830 - Instituto Costarricense de Elec 11664 1501 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1196 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1089 75 55 AS27715 - Locaweb Servicos de Internet S/ 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 1982 537 31 Vodafone Data - Vodafone Data, EG 36992 1929 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1352 588 105 Office National des Postes et Telecommuni 24863 1296 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1254 523 49 Vodafone Data - Vodafone Data, EG 37069 1120 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36914 553 82 3 Kenya Education Network - Kenya Education 15399 548 57 59 Wananchi Group (Kenya) Limited - Wananchi 37342 539 32 1 Movitel, SA - Movitel, SA, MZ 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 16314 42641 5632 AMAZON-02 - Amazon.com, Inc., US 9808 14144 8736 125 CHINAMOBILE-CN - China Mobile Communicati 8151 13068 3287 616 AS8151 - UNINET, MX 12479 6965 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5075 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4863 3185 423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 39891 4774 294 80 ALJAWWALSTC-AS - Saudi Telecom Company JS 18403 4649 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4606 306 1135 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 14144 14019 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13068 12452 AS8151 - UNINET, MX 12479 6965 6815 UNI2-AS - Orange Espagne SA, ES 9498 5075 4733 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4774 4694 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 18403 4649 4625 FPT-VN - FPT Telecom Company, VN 22773 4863 4440 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4361 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4072 4048 VIETEL-AS-AP - Viettel Group, VN 7155 3999 3912 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 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 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 8.33.224.0/24 174 COGENT-174 - Cogent Com 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 7575 AARNET-AS-AP - Australian Academic and R 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 23.133.212.0/24 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 /13:594 /14:1195 /15:2136 /16:13741 /17:8295 /18:13267 /19:25459 /20:45683 /21:53511 /22:113514 /23:110485 /24:678601 /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 7241 13068 AS8151 - UNINET, MX 12479 5893 6965 UNI2-AS - Orange Espagne SA, ES 39891 3527 4774 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3523 3744 SHAW - Shaw Communications, CA 11492 3513 4606 CABLEONE - CABLE ONE, INC., US 16509 3157 16314 AMAZON-02 - Amazon.com, Inc., US 22773 3112 4863 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2952 3999 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2249 3445 AS10620 - Telmex Colombia S.A., CO 30036 2199 2546 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) ---------------------------------------------- 1:2699 2:2873 3:1131 4:5 5:5377 6:207 7:6 8:1352 9:99 11:172 12:1095 13:927 14:2691 15:484 16:266 17:463 18:1062 20:619 21:4 22:188 23:8546 24:2818 25:2 27:2948 28:7 29:19 31:3844 32:36 34:94 35:292 36:4894 37:4486 38:10279 39:1407 40:436 41:4601 42:2251 43:3431 44:507 45:19796 46:5002 47:462 48:171 49:2305 50:2010 51:906 52:1383 54:325 55:1082 56:11 57:330 58:2470 59:1366 60:1195 61:3230 62:3177 63:1713 64:6625 65:2177 66:6252 67:3334 68:1300 69:4098 70:1049 71:612 72:3260 74:3117 75:1611 76:590 77:3018 78:2146 79:1842 80:2374 81:2301 82:4366 83:1496 84:2141 85:3922 86:1137 87:2974 88:1339 89:4858 90:760 91:8525 92:2776 93:2928 94:4565 95:4792 96:1452 97:306 98:939 99:999 100:65 101:1595 102:4780 103:32512 104:5693 105:927 106:928 107:2990 108:1458 109:3993 110:2248 111:4224 112:3151 113:1957 114:2576 115:2339 116:2104 117:3869 118:3027 119:2087 120:2832 121:1850 122:3060 123:2232 124:1688 125:2980 126:156 128:1620 129:984 130:1748 131:2544 132:891 133:492 134:1774 135:677 136:1569 137:1595 138:3440 139:1825 140:1867 141:1833 142:2658 143:2222 144:1876 145:691 146:2225 147:2375 148:2849 149:3647 150:1430 151:3000 152:2419 153:2157 154:9564 155:2383 156:4139 157:2456 158:1643 159:2942 160:4067 161:2117 162:4229 163:2722 164:2406 165:2776 166:1219 167:2386 168:4242 169:936 170:5626 171:1126 172:4914 173:3466 174:892 175:1419 176:4052 177:5547 178:4633 179:2788 180:3359 181:4654 182:4085 183:2883 184:2062 185:22003 186:6562 187:5756 188:4757 189:4760 190:10017 191:1875 192:11844 193:9636 194:7954 195:5947 196:3422 197:3238 198:6351 199:6115 200:8454 201:6817 202:10716 203:10750 204:4749 205:3779 206:4451 207:4101 208:4326 209:5527 210:4777 211:2723 212:5296 213:4133 214:1027 215:47 216:7318 217:3770 218:1925 219:419 220:2243 221:1438 222:976 223:3607 End of report