IPv4 R&E Routing Table Report 21:10 GMT Tue 08 Apr, 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: 978168 Prefixes after maximum aggregation (per Origin AS): 375315 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 476648 Number of IPv4 prefixes with a valid ROA: 538984 Number of IPv4 prefixes with an invalid ROA: 124 Number of IPv4 prefixes with no ROA: 439060 Total ASes present in the Internet Routing Table: 76704 Prefixes per ASN: 12.75 Origin-only ASes present in the Internet Routing Table: 65750 Origin ASes announcing only one prefix: 26898 Transit ASes present in the Internet Routing Table: 10954 Transit-only ASes present in the Internet Routing Table: 540 Paths with bogon ASNs present in the IPv4 Routing Table: 21 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1024 Number of instances of unregistered ASNs: 1030 Number of 32-bit ASNs allocated by the RIRs: 46152 Number of 32-bit ASNs visible in the Routing Table: 38043 Prefixes from 32-bit ASNs in the Routing Table: 200604 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 459 Number of addresses announced to Internet: 3106696192 Equivalent to 185 /8s, 44 /16s and 108 /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: 321033 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255763 Total APNIC prefixes after maximum aggregation: 76436 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 247467 Unique aggregates announced from the APNIC address blocks: 102703 APNIC Region origin ASes present in the Internet Routing Table: 14552 APNIC Prefixes per ASN: 17.01 APNIC Region origin ASes announcing only one prefix: 4445 APNIC Region transit ASes present in the Internet Routing Table: 1959 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 55 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10060 Number of APNIC addresses announced to Internet: 748466688 Equivalent to 44 /8s, 156 /16s and 178 /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: 289080 Total ARIN prefixes after maximum aggregation: 128908 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 290244 Unique aggregates announced from the ARIN address blocks: 137343 ARIN Region origin ASes present in the Internet Routing Table: 19241 ARIN Prefixes per ASN: 15.08 ARIN Region origin ASes announcing only one prefix: 7042 ARIN Region transit ASes present in the Internet Routing Table: 1978 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: 5178 Number of ARIN addresses announced to Internet: 1349407232 Equivalent to 80 /8s, 110 /16s and 82 /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: 273612 Total RIPE prefixes after maximum aggregation: 133370 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 271468 Unique aggregates announced from the RIPE address blocks: 173699 RIPE Region origin ASes present in the Internet Routing Table: 28874 RIPE Prefixes per ASN: 9.40 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3970 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: 12363 Number of RIPE addresses announced to Internet: 731641344 Equivalent to 43 /8s, 155 /16s and 246 /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: 123446 Total LACNIC prefixes after maximum aggregation: 29241 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120089 Unique aggregates announced from the LACNIC address blocks: 48877 LACNIC Region origin ASes present in the Internet Routing Table: 11222 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2460 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9170 Number of LACNIC addresses announced to Internet: 171729664 Equivalent to 10 /8s, 60 /16s and 99 /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: 35243 Total AfriNIC prefixes after maximum aggregation: 6731 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 48440 Unique aggregates announced from the AfriNIC address blocks: 13632 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 25.39 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 380 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272 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 10309 8753 89 CHINAMOBILE-CN China Mobile Communication 7545 6215 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4220 530 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2848 849 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4766 2163 11521 628 KIXS-AS-KR Korea Telecom, KR 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 12995 39642 3931 AMAZON-02, US 11492 4687 311 584 CABLEONE, US 7155 3828 286 85 VIASAT-SP-BACKBONE, US 22773 3626 3054 222 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3621 1320 81 SHAW, CA 174 3607 8766 957 COGENT-174, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 3116 1311 2259 AKAMAI-AS, US 396982 2948 3649 465 GOOGLE-CLOUD-PLATFORM, US 36352 2626 216 805 AS-COLOCROSSING, 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 7717 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4021 3395 129 AKAMAI-ASN1, NL 9009 3766 326 1960 M247, RO 12389 3073 2303 888 ROSTELECOM-AS, RU 34984 2365 360 582 TELLCOM-AS, TR 212238 2081 148 1532 CDNEXT, GB 8452 1620 1852 14 TE-AS TE-AS, EG 13188 1585 99 71 TRIOLAN, UA 62240 1488 98 748 CLOUVIDER Clouvider - Global ASN, GB 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 11930 3244 585 UNINET, MX 10620 3536 487 974 Telmex Colombia S.A., CO 13999 2511 539 364 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1356 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1176 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1050 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1043 374 163 Axtel, S.A.B. de C.V., MX 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 1703 599 30 RAYA-AS, EG 24863 1641 389 16 LINKdotNET-AS, EG 29571 1567 102 22 ORANGE-COTE-IVOIRE, CI 36992 1428 1518 287 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 36935 1022 523 45 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 539 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 12995 39642 3931 AMAZON-02, US 8151 11930 3244 585 UNINET, MX 9808 10309 8753 89 CHINAMOBILE-CN China Mobile Communication 12479 7717 1714 145 UNI2-AS, ES 7545 6215 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4687 311 584 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4220 530 274 BBIL-AP BHARTI Airtel Ltd., IN 20940 4021 3395 129 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 11930 11345 UNINET, MX 9808 10309 10220 CHINAMOBILE-CN China Mobile Communications Grou 12479 7717 7572 UNI2-AS, ES 7545 6215 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 11492 4687 4103 CABLEONE, US 9498 4220 3946 BBIL-AP BHARTI Airtel Ltd., IN 20940 4021 3892 AKAMAI-ASN1, NL 7552 3915 3889 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 23.137.20.0/24 Origin: 34437 COVERTHART-AS-34437, US 23.137.20.0/24 Transit: 174 COGENT-174, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:41 /11:93 /12:301 /13:583 /14:1225 /15:2165 /16:13929 /17:8296 /18:13752 /19:24610 /20:43717 /21:51754 /22:112084 /23:101514 /24:604071 /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 6642 7717 UNI2-AS, ES 8151 6133 11930 UNINET, MX 11492 3531 4687 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 2787 3828 VIASAT-SP-BACKBONE, US 22773 2744 3626 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2332 12995 AMAZON-02, US 30036 2221 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2198 3536 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) ---------------------------------------------- 1:2328 2:1545 3:610 4:10 5:4619 6:163 7:6 8:1548 9:1 11:172 12:1372 13:351 14:2504 15:352 16:280 17:364 18:921 20:478 21:4 22:188 23:7385 24:2827 25:2 27:2736 29:19 31:3229 32:37 34:80 35:207 36:2398 37:4677 38:8937 39:899 40:154 41:4209 42:1902 43:2564 44:366 45:18437 46:4967 47:289 49:1920 50:1901 51:590 52:1551 54:300 55:879 56:11 57:251 58:2208 59:1215 60:1171 61:2779 62:2911 63:1834 64:5504 65:2124 66:4659 67:3063 68:1141 69:3981 70:1124 71:623 72:2835 74:2799 75:1609 76:610 77:2707 78:1894 79:1728 80:2195 81:2033 82:3129 83:1419 84:1842 85:3394 86:1043 87:2161 88:1316 89:4328 90:777 91:8322 92:2794 93:2876 94:4054 95:4315 96:1438 97:312 98:1023 99:641 100:70 101:1148 102:3750 103:32184 104:4795 105:757 106:989 107:2632 108:1197 109:4084 110:2227 111:3345 112:2041 113:1802 114:1960 115:2215 116:2035 117:2748 118:2899 119:1959 120:1872 121:1370 122:2751 123:2178 124:1565 125:2856 126:91 128:1597 129:955 130:1280 131:1896 132:782 133:451 134:1513 135:332 136:1306 137:1285 138:2888 139:1620 140:1572 141:1481 142:1836 143:1645 144:1058 145:516 146:2162 147:2102 148:2649 149:2899 150:1244 151:1743 152:2104 153:570 154:7900 155:1635 156:3193 157:1898 158:1267 159:2431 160:3557 161:1898 162:3720 163:1991 164:1696 165:2206 166:1444 167:1880 168:4052 169:790 170:5077 171:1006 172:4481 173:3227 174:918 175:1295 176:3679 177:4676 178:3779 179:2314 180:2588 181:4054 182:3373 183:2032 184:2158 185:21534 186:5094 187:4440 188:4198 189:4177 190:9627 191:1472 192:11203 193:9428 194:7780 195:5538 196:3284 197:3676 198:6182 199:8432 200:8188 201:6267 202:10385 203:10612 204:4553 205:3666 206:4628 207:3563 208:4202 209:5197 210:4562 211:2533 212:4506 213:3769 214:1053 215:48 216:6598 217:3100 218:1331 219:375 220:2082 221:1068 222:714 223:2314 End of report