IPv4 R&E Routing Table Report 21:10 GMT Thu 14 May, 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: 1045772 Prefixes after maximum aggregation (per Origin AS): 401749 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 517345 Number of IPv4 prefixes with a valid ROA: 645715 Number of IPv4 prefixes with an invalid ROA: 103 Number of IPv4 prefixes with no ROA: 399954 Total ASes present in the Internet Routing Table: 78452 Prefixes per ASN: 13.33 Origin-only ASes present in the Internet Routing Table: 67186 Origin ASes announcing only one prefix: 27417 Transit ASes present in the Internet Routing Table: 11266 Transit-only ASes present in the Internet Routing Table: 587 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 68 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1124 Number of instances of unregistered ASNs: 1154 Number of 32-bit ASNs allocated by the RIRs: 49750 Number of 32-bit ASNs visible in the Routing Table: 40600 Prefixes from 32-bit ASNs in the Routing Table: 229845 Number of bogon 32-bit ASNs visible in the Routing Table: 74 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 432 Number of addresses announced to Internet: 3103205632 Equivalent to 184 /8s, 247 /16s and 41 /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: 342399 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 283769 Total APNIC prefixes after maximum aggregation: 83017 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 270319 Unique aggregates announced from the APNIC address blocks: 107998 APNIC Region origin ASes present in the Internet Routing Table: 15199 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 4655 APNIC Region transit ASes present in the Internet Routing Table: 2056 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10779 Number of APNIC addresses announced to Internet: 747627264 Equivalent to 44 /8s, 143 /16s and 227 /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: 303220 Total ARIN prefixes after maximum aggregation: 136626 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 302605 Unique aggregates announced from the ARIN address blocks: 147732 ARIN Region origin ASes present in the Internet Routing Table: 19428 ARIN Prefixes per ASN: 15.58 ARIN Region origin ASes announcing only one prefix: 7104 ARIN Region transit ASes present in the Internet Routing Table: 1966 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5578 Number of ARIN addresses announced to Internet: 1347700480 Equivalent to 80 /8s, 84 /16s and 71 /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: 290694 Total RIPE prefixes after maximum aggregation: 143508 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 293811 Unique aggregates announced from the RIPE address blocks: 191497 RIPE Region origin ASes present in the Internet Routing Table: 29477 RIPE Prefixes per ASN: 9.97 RIPE Region origin ASes announcing only one prefix: 12203 RIPE Region transit ASes present in the Internet Routing Table: 4072 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13412 Number of RIPE addresses announced to Internet: 733837312 Equivalent to 43 /8s, 189 /16s and 120 /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: 129814 Total LACNIC prefixes after maximum aggregation: 30862 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 124236 Unique aggregates announced from the LACNIC address blocks: 50374 LACNIC Region origin ASes present in the Internet Routing Table: 11399 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2724 LACNIC Region transit ASes present in the Internet Routing Table: 2588 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9441 Number of LACNIC addresses announced to Internet: 169549056 Equivalent to 10 /8s, 27 /16s and 29 /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: 37151 Total AfriNIC prefixes after maximum aggregation: 7078 AfriNIC Deaggregation factor: 5.25 Prefixes being announced from the AfriNIC address blocks: 54368 Unique aggregates announced from the AfriNIC address blocks: 19369 AfriNIC Region origin ASes present in the Internet Routing Table: 2025 AfriNIC Prefixes per ASN: 26.85 AfriNIC Region origin ASes announcing only one prefix: 731 AfriNIC Region transit ASes present in the Internet Routing Table: 391 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 62 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1390 Number of AfriNIC addresses announced to Internet: 104295936 Equivalent to 6 /8s, 55 /16s and 110 /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 13894 8761 121 CHINAMOBILE-CN China Mobile Communication 7545 5884 826 482 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4934 551 327 BBIL-AP BHARTI Airtel Ltd., IN 18403 4588 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4063 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3693 1044 64 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3538 886 176 CMNET-JIANGSU-AP China Mobile communicati 17561 3471 218 605 LCS-AS-AP LARUS Limited, HK 45899 3360 1868 98 VNPT-AS-VN VNPT Corp, VN 24560 2768 762 726 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 14935 41325 5698 AMAZON-02 - Amazon.com, Inc., US 22773 4790 3116 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4597 305 1090 CABLEONE - CABLE ONE, INC., US 7155 3870 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3717 1305 75 SHAW - Shaw Communications, CA 396982 3340 4865 505 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2908 222 920 AS-COLOCROSSING - HostPapa, US 7029 2637 2558 895 WINDSTREAM - Windstream Communications LL 30036 2606 358 468 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 7130 1711 149 UNI2-AS, ES 39891 4975 307 72 ALJAWWALSTC-AS, SA 20940 3917 3389 110 AKAMAI-ASN1, NL 9009 3916 360 2321 M247, RO 12389 3140 2321 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2795 205 2066 CDNEXT, GB 34984 2491 367 584 TELLCOM-AS, TR 8452 1689 1852 14 TE-AS TE-AS, EG 203020 1654 252 831 HOSTROYALE, IN 13188 1607 100 27 TRIOLAN, UA 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 12702 3252 644 UNINET, MX 10620 3434 450 1103 Telmex Colombia S.A., CO 13999 2402 504 348 Mega Cable, S.A. de C.V., MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 11664 1450 277 34 Techtel LMDS Comunicaciones Interactivas 28573 1367 2431 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 371 22 INTEGRATEL PERU S.A.A., PE 22884 1074 70 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1073 2392 100 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 36992 1860 1532 340 ETISALAT-MISR, EG 24835 1807 649 36 RAYA-AS, EG 24863 1271 389 16 LINKdotNET-AS, EG 36935 1262 523 45 Vodafone-, EG 36903 1232 555 98 MT-MPLS, MA 37069 1116 1100 11 MOBINIL, EG 29571 1077 70 18 ORANGE-COTE-IVOIRE, CI 20011 643 173 262 NTT-DATA-Inc, ZA 328608 614 56 161 Africa-on-Cloud-AS, ZA 36914 554 82 3 KENET-AS, 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 14935 41325 5698 AMAZON-02 - Amazon.com, Inc., US 9808 13894 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 12702 3252 644 UNINET, MX 12479 7130 1711 149 UNI2-AS, ES 7545 5884 826 482 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS, SA 9498 4934 551 327 BBIL-AP BHARTI Airtel Ltd., IN 22773 4790 3116 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4597 305 1090 CABLEONE - CABLE ONE, INC., US 18403 4588 347 24 FPT-AS-AP 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 13894 13773 CHINAMOBILE-CN China Mobile Communications Grou 8151 12702 12058 UNINET, MX 12479 7130 6981 UNI2-AS, ES 7545 5884 5402 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS, SA 9498 4934 4607 BBIL-AP BHARTI Airtel Ltd., IN 18403 4588 4564 FPT-AS-AP FPT Telecom Company, VN 22773 4790 4425 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4063 4035 VIETEL-AS-AP Viettel Group, VN 20940 3917 3807 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.204.0/24 Origin: 18807 COMM-WIRELESS-N - Community Wireless, ZZ 23.130.204.0/24 Transit: 10796 TWC-10796-MIDWEST - Charter Communicatio 23.131.100.0/24 Origin: 401541 OSIE - Osie, ZZ 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN CMC Telecom Infrastructure 23.131.156.0/24 Origin: 401541 OSIE - Osie, ZZ 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN CMC Telecom Infrastructure 23.131.212.0/24 Origin: 401541 OSIE - Osie, ZZ 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN CMC Telecom Infrastructure 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /12:297 /13:583 /14:1189 /15:2113 /16:13597 /17:8295 /18:13359 /19:25474 /20:45784 /21:52378 /22:113359 /23:108253 /24:660926 /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 6926 12702 UNINET, MX 12479 6067 7130 UNI2-AS, ES 39891 3660 4975 ALJAWWALSTC-AS, SA 6327 3498 3717 SHAW - Shaw Communications, CA 11492 3475 4597 CABLEONE - CABLE ONE, INC., US 22773 3065 4790 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2825 3870 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2709 14935 AMAZON-02 - Amazon.com, Inc., US 30036 2260 2606 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2238 3434 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) ---------------------------------------------- 1:2505 2:2061 3:997 4:5 5:5110 6:201 7:6 8:1470 9:59 11:172 12:1151 13:706 14:2705 15:465 16:208 17:443 18:915 20:608 21:4 22:188 23:8386 24:2766 25:2 27:2822 28:1 29:19 31:3548 32:36 34:88 35:283 36:4771 37:4444 38:9655 39:1299 40:440 41:4577 42:2202 43:3152 44:454 45:19801 46:4882 47:414 48:129 49:2233 50:2008 51:719 52:1324 54:281 55:1018 56:11 57:324 58:2341 59:1371 60:1175 61:3155 62:3128 63:1691 64:6355 65:2148 66:6119 67:3267 68:1508 69:4217 70:1055 71:616 72:3188 74:3063 75:1501 76:600 77:2945 78:2053 79:1796 80:2347 81:2249 82:4168 83:1459 84:2161 85:3841 86:1097 87:2497 88:1337 89:4771 90:796 91:8462 92:2785 93:3039 94:4404 95:4736 96:1443 97:309 98:946 99:836 100:71 101:1462 102:4570 103:32485 104:5377 105:851 106:901 107:2948 108:1270 109:4262 110:2282 111:4125 112:3185 113:1991 114:2382 115:2325 116:2097 117:3494 118:3045 119:2045 120:2725 121:1555 122:3011 123:2303 124:1656 125:2986 126:158 128:1601 129:980 130:1676 131:2435 132:883 133:486 134:1723 135:616 136:1481 137:1560 138:3399 139:1633 140:1774 141:1749 142:2576 143:2049 144:1782 145:638 146:2191 147:2259 148:2800 149:3149 150:1366 151:2901 152:2324 153:1630 154:9525 155:2297 156:5006 157:2341 158:1578 159:2872 160:3817 161:1964 162:4080 163:2588 164:2428 165:2672 166:1281 167:2320 168:4045 169:865 170:5605 171:1138 172:4807 173:3450 174:882 175:1356 176:3951 177:5039 178:4397 179:2387 180:3056 181:4552 182:4042 183:2844 184:2002 185:21942 186:6160 187:5049 188:4516 189:4529 190:9879 191:1987 192:11522 193:9649 194:7893 195:5831 196:3398 197:3232 198:6284 199:6061 200:8272 201:6386 202:10679 203:10667 204:4809 205:3744 206:4451 207:3997 208:4368 209:5479 210:4773 211:2688 212:5089 213:4133 214:1044 215:47 216:7295 217:3616 218:1709 219:413 220:2186 221:1320 222:934 223:3442 End of report