IPv4 R&E Routing Table Report 21:10 GMT Mon 07 Jul, 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: 984401 Prefixes after maximum aggregation (per Origin AS): 382072 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 485025 Number of IPv4 prefixes with a valid ROA: 554200 Number of IPv4 prefixes with an invalid ROA: 145 Number of IPv4 prefixes with no ROA: 430056 Total ASes present in the Internet Routing Table: 76937 Prefixes per ASN: 12.79 Origin-only ASes present in the Internet Routing Table: 65901 Origin ASes announcing only one prefix: 26900 Transit ASes present in the Internet Routing Table: 11036 Transit-only ASes present in the Internet Routing Table: 556 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 78 Max AS path prepend of ASN (133647) 73 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1104 Number of 32-bit ASNs allocated by the RIRs: 46782 Number of 32-bit ASNs visible in the Routing Table: 38475 Prefixes from 32-bit ASNs in the Routing Table: 204728 Number of bogon 32-bit ASNs visible in the Routing Table: 97 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 421 Number of addresses announced to Internet: 3103841536 Equivalent to 185 /8s, 0 /16s and 221 /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: 322238 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260386 Total APNIC prefixes after maximum aggregation: 77585 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 251128 Unique aggregates announced from the APNIC address blocks: 104629 APNIC Region origin ASes present in the Internet Routing Table: 14667 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4466 APNIC Region transit ASes present in the Internet Routing Table: 1972 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 78 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10198 Number of APNIC addresses announced to Internet: 749010176 Equivalent to 44 /8s, 164 /16s and 253 /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: 291621 Total ARIN prefixes after maximum aggregation: 131823 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 293124 Unique aggregates announced from the ARIN address blocks: 140440 ARIN Region origin ASes present in the Internet Routing Table: 19240 ARIN Prefixes per ASN: 15.24 ARIN Region origin ASes announcing only one prefix: 7040 ARIN Region transit ASes present in the Internet Routing Table: 1992 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5244 Number of ARIN addresses announced to Internet: 1349172992 Equivalent to 80 /8s, 106 /16s and 191 /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: 275875 Total RIPE prefixes after maximum aggregation: 135596 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 274897 Unique aggregates announced from the RIPE address blocks: 176666 RIPE Region origin ASes present in the Internet Routing Table: 28919 RIPE Prefixes per ASN: 9.51 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3988 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12521 Number of RIPE addresses announced to Internet: 731121408 Equivalent to 43 /8s, 148 /16s and 7 /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: 124116 Total LACNIC prefixes after maximum aggregation: 29672 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 120511 Unique aggregates announced from the LACNIC address blocks: 49051 LACNIC Region origin ASes present in the Internet Routing Table: 11275 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2519 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9230 Number of LACNIC addresses announced to Internet: 171101440 Equivalent to 10 /8s, 50 /16s and 205 /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: 31335 Total AfriNIC prefixes after maximum aggregation: 6679 AfriNIC Deaggregation factor: 4.69 Prefixes being announced from the AfriNIC address blocks: 44319 Unique aggregates announced from the AfriNIC address blocks: 13868 AfriNIC Region origin ASes present in the Internet Routing Table: 1918 AfriNIC Prefixes per ASN: 23.11 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 380 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282 Number of AfriNIC addresses announced to Internet: 103191552 Equivalent to 6 /8s, 38 /16s and 148 /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 11563 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3924 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3280 1868 100 VNPT-AS-VN VNPT Corp, VN 24560 2899 862 526 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2425 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2181 434 193 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 13574 40947 5231 AMAZON-02, US 11492 4781 317 604 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3637 1320 82 SHAW, CA 22773 3603 3039 210 ASN-CXA-ALL-CCI-22773-RDC, US 174 3465 8771 859 COGENT-174, US 749 3226 54767 2477 DNIC-AS-00749, US 396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US 16625 3109 1304 2250 AKAMAI-AS, US 4155 2840 216 1728 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 7670 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4076 3395 127 AKAMAI-ASN1, NL 9009 3792 360 2117 M247, RO 12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 582 TELLCOM-AS, TR 212238 2354 168 1722 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1526 1852 14 TE-AS TE-AS, EG 8551 1420 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 12265 3255 572 UNINET, MX 10620 3508 481 1019 Telmex Colombia S.A., CO 13999 2540 538 356 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1187 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1021 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 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36903 1248 553 97 MT-MPLS, MA 36935 720 522 45 Vodafone-, EG 36992 714 1405 192 ETISALAT-MISR, EG 24835 640 633 33 RAYA-AS, EG 37069 594 862 20 MOBINIL, EG 36914 576 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 531 56 54 WANANCHI-, KE 3741 521 661 318 IS, ZA 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 13574 40947 5231 AMAZON-02, US 8151 12265 3255 572 UNINET, MX 9808 11563 8759 114 CHINAMOBILE-CN China Mobile Communication 12479 7670 1713 148 UNI2-AS, ES 7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4781 317 604 CABLEONE, US 18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 4076 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 8151 12265 11693 UNINET, MX 9808 11563 11449 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7522 UNI2-AS, ES 7545 6147 5524 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4420 4395 FPT-AS-AP FPT Telecom Company, VN 11492 4781 4177 CABLEONE, US 9498 4358 4046 BBIL-AP BHARTI Airtel Ltd., IN 20940 4076 3949 AKAMAI-ASN1, NL 7552 3924 3897 VIETEL-AS-AP Viettel Group, VN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 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 Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar 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: 6939 HURRICANE, 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /12:297 /13:580 /14:1202 /15:2149 /16:13758 /17:8225 /18:13437 /19:24450 /20:43299 /21:51615 /22:110272 /23:102786 /24:612167 /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 12479 6593 7670 UNI2-AS, ES 8151 6488 12265 UNINET, MX 11492 3577 4781 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3433 3637 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2732 3603 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2325 13574 AMAZON-02, US 30036 2268 2610 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2195 3508 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) ---------------------------------------------- 1:2394 2:1527 3:827 4:10 5:4753 6:162 7:6 8:1558 9:1 11:172 12:1344 13:451 14:2551 15:364 16:285 17:381 18:894 20:555 21:4 22:188 23:7749 24:2728 25:2 27:2790 29:19 31:3313 32:35 33:1 34:80 35:259 36:3275 37:4573 38:9363 39:907 40:236 41:3974 42:1924 43:2658 44:375 45:18516 46:5102 47:325 49:1882 50:1894 51:588 52:1554 54:321 55:1098 56:11 57:272 58:2187 59:1187 60:1174 61:2792 62:2847 63:1796 64:5531 65:2058 66:4720 67:3091 68:1122 69:3957 70:1114 71:628 72:2873 74:2792 75:1515 76:607 77:2773 78:1910 79:1714 80:2192 81:2071 82:3176 83:1452 84:1824 85:3464 86:1082 87:2144 88:1347 89:4407 90:776 91:8414 92:2747 93:2943 94:4035 95:4412 96:1493 97:310 98:1001 99:691 100:72 101:1184 102:3867 103:32272 104:5228 105:745 106:977 107:2664 108:1267 109:4135 110:2235 111:3255 112:2183 113:1841 114:1961 115:2204 116:2058 117:2594 118:2986 119:1908 120:2100 121:1329 122:2791 123:2227 124:1614 125:2877 126:91 128:1606 129:959 130:1300 131:2054 132:780 133:450 134:1576 135:349 136:1385 137:1318 138:2808 139:1599 140:1633 141:1507 142:1898 143:1954 144:1162 145:558 146:2180 147:2101 148:2709 149:2940 150:1263 151:2197 152:2088 153:591 154:7708 155:1774 156:3203 157:1932 158:1342 159:2509 160:3612 161:1852 162:3876 163:2226 164:1866 165:2055 166:1509 167:2008 168:3969 169:784 170:5109 171:1006 172:4456 173:3363 174:928 175:1323 176:3702 177:4719 178:3913 179:2307 180:2600 181:4094 182:3493 183:2105 184:2128 185:21539 186:5179 187:4613 188:4263 189:4315 190:9576 191:1461 192:11327 193:9472 194:7762 195:5547 196:3262 197:3127 198:6205 199:8536 200:8207 201:6393 202:10350 203:10666 204:4597 205:3655 206:4507 207:3625 208:4282 209:5154 210:4619 211:2553 212:4560 213:3788 214:1012 215:46 216:6786 217:3152 218:1362 219:392 220:2142 221:1153 222:713 223:2548 End of report