IPv4 R&E Routing Table Report 21:10 GMT Fri 08 Aug, 2025 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: 993652 Prefixes after maximum aggregation (per Origin AS): 384848 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 488777 Number of IPv4 prefixes with a valid ROA: 554366 Number of IPv4 prefixes with an invalid ROA: 498 Number of IPv4 prefixes with no ROA: 438788 Total ASes present in the Internet Routing Table: 77122 Prefixes per ASN: 12.88 Origin-only ASes present in the Internet Routing Table: 66020 Origin ASes announcing only one prefix: 26968 Transit ASes present in the Internet Routing Table: 11102 Transit-only ASes present in the Internet Routing Table: 555 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 84 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 1079 Number of instances of unregistered ASNs: 1123 Number of 32-bit ASNs allocated by the RIRs: 47085 Number of 32-bit ASNs visible in the Routing Table: 38742 Prefixes from 32-bit ASNs in the Routing Table: 206689 Number of bogon 32-bit ASNs visible in the Routing Table: 100 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 434 Number of addresses announced to Internet: 3107303424 Equivalent to 185 /8s, 53 /16s and 176 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 323926 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 263876 Total APNIC prefixes after maximum aggregation: 78198 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 254784 Unique aggregates announced from the APNIC address blocks: 104832 APNIC Region origin ASes present in the Internet Routing Table: 14737 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4495 APNIC Region transit ASes present in the Internet Routing Table: 1985 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10272 Number of APNIC addresses announced to Internet: 749412864 Equivalent to 44 /8s, 171 /16s and 34 /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: 292463 Total ARIN prefixes after maximum aggregation: 132602 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 294028 Unique aggregates announced from the ARIN address blocks: 141891 ARIN Region origin ASes present in the Internet Routing Table: 19260 ARIN Prefixes per ASN: 15.27 ARIN Region origin ASes announcing only one prefix: 7040 ARIN Region transit ASes present in the Internet Routing Table: 1996 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5284 Number of ARIN addresses announced to Internet: 1349368320 Equivalent to 80 /8s, 109 /16s and 186 /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, 393216-402332 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: 277300 Total RIPE prefixes after maximum aggregation: 136684 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 276318 Unique aggregates announced from the RIPE address blocks: 178631 RIPE Region origin ASes present in the Internet Routing Table: 28995 RIPE Prefixes per ASN: 9.53 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 3988 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 49 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12630 Number of RIPE addresses announced to Internet: 731943936 Equivalent to 43 /8s, 160 /16s and 148 /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 196608-216475 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: 124176 Total LACNIC prefixes after maximum aggregation: 29868 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 120505 Unique aggregates announced from the LACNIC address blocks: 49057 LACNIC Region origin ASes present in the Internet Routing Table: 11276 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2563 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9245 Number of LACNIC addresses announced to Internet: 171121664 Equivalent to 10 /8s, 51 /16s and 28 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 34758 Total AfriNIC prefixes after maximum aggregation: 6789 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 47582 Unique aggregates announced from the AfriNIC address blocks: 13987 AfriNIC Region origin ASes present in the Internet Routing Table: 1949 AfriNIC Prefixes per ASN: 24.41 AfriNIC Region origin ASes announcing only one prefix: 711 AfriNIC Region transit ASes present in the Internet Routing Table: 378 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 84 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1311 Number of AfriNIC addresses announced to Internet: 105213952 Equivalent to 6 /8s, 69 /16s and 112 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 12613 8761 115 CHINAMOBILE-CN China Mobile Communication 7545 6140 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4570 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 7552 3942 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3286 1868 99 VNPT-AS-VN VNPT Corp, VN 56046 2964 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2918 864 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2173 427 183 TATACOMM-AS TATA Communications formerly 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 13791 41095 5315 AMAZON-02, US 11492 4783 317 680 CABLEONE, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3643 1320 82 SHAW, CA 174 3606 8769 852 COGENT-174, US 22773 3338 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3204 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3051 1291 2216 AKAMAI-AS, US 4155 2911 227 1729 USDA-1, 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 7568 1711 153 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4034 3395 127 AKAMAI-ASN1, NL 9009 3858 366 2175 M247, RO 12389 3111 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2404 361 584 TELLCOM-AS, TR 212238 2326 164 1691 CDNEXT, GB 13188 1605 100 37 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 203020 1521 191 669 HOSTROYALE, IN 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 12325 3272 577 UNINET, MX 10620 3475 472 1052 Telmex Colombia S.A., CO 13999 2529 511 354 Mega Cable, S.A. de C.V., MX 11830 1986 369 64 Instituto Costarricense de Electricidad y 28573 1371 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1182 371 22 Telefonica del Peru S.A.A., PE 11664 1142 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1068 71 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1017 2487 55 TIM SA, 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 1770 660 28 RAYA-AS, EG 29571 1484 94 32 ORANGE-COTE-IVOIRE, CI 36992 1416 1494 373 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 24863 1239 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 972 520 43 Vodafone-, EG 36914 574 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 535 57 58 WANANCHI-, KE 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 13791 41095 5315 AMAZON-02, US 9808 12613 8761 115 CHINAMOBILE-CN China Mobile Communication 8151 12325 3272 577 UNINET, MX 12479 7568 1711 153 UNI2-AS, ES 7545 6140 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4783 317 680 CABLEONE, US 18403 4570 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 20940 4034 3395 127 AKAMAI-ASN1, NL 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 12613 12498 CHINAMOBILE-CN China Mobile Communications Grou 8151 12325 11748 UNINET, MX 12479 7568 7415 UNI2-AS, ES 7545 6140 5516 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4570 4545 FPT-AS-AP FPT Telecom Company, VN 9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN 11492 4783 4103 CABLEONE, US 7552 3942 3915 VIETEL-AS-AP Viettel Group, VN 20940 4034 3907 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 21859 ZEN-ECN, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.143.140.0/24 Origin: 7029 WINDSTREAM, US 23.143.140.0/24 Transit: 6461 ZAYO-6461, US 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 /10:41 /11:92 /12:298 /13:581 /14:1209 /15:2153 /16:13802 /17:8232 /18:13510 /19:24576 /20:43971 /21:51834 /22:112150 /23:103149 /24:618023 /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 6544 12325 UNINET, MX 12479 6529 7568 UNI2-AS, ES 11492 3593 4783 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3440 3643 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2490 3338 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2346 13791 AMAZON-02, US 30036 2296 2638 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2195 3475 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2420 2:1530 3:874 4:10 5:4754 6:157 7:6 8:1543 9:2 11:172 12:1336 13:471 14:2580 15:368 16:286 17:378 18:899 20:563 21:4 22:188 23:7790 24:2703 25:2 27:2805 29:19 31:3368 32:35 33:1 34:80 35:263 36:4209 37:4576 38:9516 39:965 40:251 41:4273 42:2051 43:2690 44:383 45:18582 46:5114 47:338 49:1882 50:2049 51:588 52:1552 54:324 55:1108 56:11 57:274 58:2185 59:1286 60:1173 61:2879 62:3015 63:1782 64:5572 65:2140 66:4765 67:3107 68:1069 69:3909 70:1031 71:633 72:2853 74:2821 75:1509 76:606 77:2791 78:1919 79:1733 80:2206 81:2077 82:3232 83:1439 84:1925 85:3467 86:1109 87:2147 88:1346 89:4437 90:774 91:8422 92:2753 93:2961 94:4099 95:4446 96:1471 97:310 98:955 99:702 100:71 101:1211 102:3906 103:32273 104:5274 105:764 106:875 107:2653 108:1256 109:4194 110:2234 111:3511 112:2417 113:1848 114:1975 115:2230 116:2071 117:2682 118:2974 119:1892 120:2197 121:1339 122:2796 123:2246 124:1654 125:2880 126:91 128:1616 129:972 130:1314 131:2053 132:782 133:450 134:1593 135:355 136:1471 137:1323 138:2816 139:1592 140:1620 141:1530 142:1923 143:1951 144:1189 145:575 146:2180 147:2067 148:2703 149:2943 150:1278 151:2306 152:2064 153:593 154:7599 155:1865 156:3071 157:1935 158:1374 159:2528 160:3599 161:1904 162:3885 163:2260 164:1876 165:2459 166:1529 167:2021 168:3869 169:784 170:5184 171:998 172:4245 173:3400 174:911 175:1323 176:3733 177:4691 178:3967 179:2309 180:2589 181:4150 182:3592 183:2240 184:2079 185:21617 186:5214 187:4640 188:4275 189:4364 190:9501 191:1495 192:11362 193:9479 194:7782 195:5602 196:3288 197:3179 198:6228 199:8613 200:8198 201:6380 202:10392 203:10671 204:4614 205:3689 206:4562 207:3646 208:4298 209:5161 210:4707 211:2644 212:4588 213:3838 214:1028 215:50 216:6803 217:3279 218:1420 219:397 220:2148 221:1210 222:742 223:2778 End of report