IPv4 R&E Routing Table Report 21:10 GMT Sat 03 May, 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: 981415 Prefixes after maximum aggregation (per Origin AS): 377316 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 478690 Number of IPv4 prefixes with a valid ROA: 543806 Number of IPv4 prefixes with an invalid ROA: 139 Number of IPv4 prefixes with no ROA: 437470 Total ASes present in the Internet Routing Table: 76800 Prefixes per ASN: 12.78 Origin-only ASes present in the Internet Routing Table: 65785 Origin ASes announcing only one prefix: 26950 Transit ASes present in the Internet Routing Table: 11015 Transit-only ASes present in the Internet Routing Table: 547 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1048 Number of 32-bit ASNs allocated by the RIRs: 46319 Number of 32-bit ASNs visible in the Routing Table: 38179 Prefixes from 32-bit ASNs in the Routing Table: 201345 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 473 Number of addresses announced to Internet: 3105275904 Equivalent to 185 /8s, 22 /16s and 192 /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: 321641 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 256990 Total APNIC prefixes after maximum aggregation: 76920 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 248099 Unique aggregates announced from the APNIC address blocks: 103076 APNIC Region origin ASes present in the Internet Routing Table: 14596 APNIC Prefixes per ASN: 17.00 APNIC Region origin ASes announcing only one prefix: 4457 APNIC Region transit ASes present in the Internet Routing Table: 1971 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10107 Number of APNIC addresses announced to Internet: 748278272 Equivalent to 44 /8s, 153 /16s and 210 /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: 290336 Total ARIN prefixes after maximum aggregation: 129773 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 291551 Unique aggregates announced from the ARIN address blocks: 138451 ARIN Region origin ASes present in the Internet Routing Table: 19243 ARIN Prefixes per ASN: 15.15 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: 43 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5200 Number of ARIN addresses announced to Internet: 1348627456 Equivalent to 80 /8s, 98 /16s and 108 /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: 273962 Total RIPE prefixes after maximum aggregation: 133845 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 271828 Unique aggregates announced from the RIPE address blocks: 174083 RIPE Region origin ASes present in the Internet Routing Table: 28905 RIPE Prefixes per ASN: 9.40 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 12416 Number of RIPE addresses announced to Internet: 731373056 Equivalent to 43 /8s, 151 /16s and 222 /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: 123726 Total LACNIC prefixes after maximum aggregation: 29391 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120240 Unique aggregates announced from the LACNIC address blocks: 48758 LACNIC Region origin ASes present in the Internet Routing Table: 11231 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2702 LACNIC Region transit ASes present in the Internet Routing Table: 2480 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: 9178 Number of LACNIC addresses announced to Internet: 171665408 Equivalent to 10 /8s, 59 /16s and 104 /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: 35356 Total AfriNIC prefixes after maximum aggregation: 6769 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 49223 Unique aggregates announced from the AfriNIC address blocks: 13932 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 25.73 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 376 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: 1278 Number of AfriNIC addresses announced to Internet: 105107456 Equivalent to 6 /8s, 67 /16s and 208 /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 10454 8754 93 CHINAMOBILE-CN China Mobile Communication 7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4323 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4238 531 277 BBIL-AP BHARTI Airtel Ltd., IN 7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2189 11523 648 KIXS-AS-KR Korea Telecom, KR 45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 13233 39692 4347 AMAZON-02, US 11492 4711 312 591 CABLEONE, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 174 3626 8755 919 COGENT-174, US 6327 3621 1320 81 SHAW, CA 22773 3609 3053 208 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54863 2505 DNIC-AS-00749, US 16625 3120 1312 2258 AKAMAI-AS, US 396982 2955 3657 469 GOOGLE-CLOUD-PLATFORM, US 36352 2772 227 850 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 7726 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4061 3395 127 AKAMAI-ASN1, NL 9009 3792 327 1975 M247, RO 12389 3070 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2362 360 584 TELLCOM-AS, TR 212238 2124 150 1566 CDNEXT, GB 8452 1646 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 8551 1422 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 12040 3243 585 UNINET, MX 10620 3486 482 1051 Telmex Colombia S.A., CO 13999 2513 540 362 Mega Cable, S.A. de C.V., MX 11830 1994 369 64 Instituto Costarricense de Electricidad y 28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1190 371 22 Telefonica del Peru S.A.A., PE 22884 1057 70 376 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 1744 631 30 RAYA-AS, EG 24863 1649 389 16 LINKdotNET-AS, EG 29571 1594 102 22 ORANGE-COTE-IVOIRE, CI 36992 1417 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1020 521 42 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 36914 552 82 3 KENET-AS, KE 15399 520 56 54 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 13233 39692 4347 AMAZON-02, US 8151 12040 3243 585 UNINET, MX 9808 10454 8754 93 CHINAMOBILE-CN China Mobile Communication 12479 7726 1714 148 UNI2-AS, ES 7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4711 312 591 CABLEONE, US 18403 4323 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4238 531 277 BBIL-AP BHARTI Airtel Ltd., IN 20940 4061 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 12040 11455 UNINET, MX 9808 10454 10361 CHINAMOBILE-CN China Mobile Communications Grou 12479 7726 7578 UNI2-AS, ES 7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4323 4298 FPT-AS-AP FPT Telecom Company, VN 11492 4711 4120 CABLEONE, US 9498 4238 3961 BBIL-AP BHARTI Airtel Ltd., IN 20940 4061 3934 AKAMAI-ASN1, NL 7552 3919 3893 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 23.140.216.0/24 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:300 /13:583 /14:1221 /15:2164 /16:13929 /17:8288 /18:13739 /19:24610 /20:43733 /21:51755 /22:112067 /23:101738 /24:607121 /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 6648 7726 UNI2-AS, ES 8151 6243 12040 UNINET, MX 11492 3531 4711 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2740 3609 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2333 13233 AMAZON-02, US 30036 2235 2576 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2155 3486 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) ---------------------------------------------- 1:2331 2:1525 3:668 4:9 5:4681 6:162 7:6 8:1554 9:1 11:172 12:1365 13:365 14:2514 15:352 16:282 17:368 18:916 20:515 21:4 22:188 23:7529 24:2807 25:2 27:2779 29:19 31:3241 32:36 33:1 34:80 35:206 36:2486 37:4659 38:9031 39:907 40:167 41:4141 42:1966 43:2576 44:376 45:18555 46:5051 47:293 49:1934 50:1892 51:590 52:1552 54:301 55:1083 56:11 57:257 58:2205 59:1213 60:1169 61:2771 62:2942 63:1823 64:5483 65:2112 66:4658 67:3070 68:1170 69:3932 70:1149 71:628 72:2868 74:2780 75:1619 76:614 77:2727 78:1897 79:1758 80:2202 81:2052 82:3216 83:1438 84:1853 85:3425 86:1049 87:2159 88:1317 89:4334 90:783 91:8345 92:2725 93:2901 94:4085 95:4359 96:1459 97:312 98:1024 99:669 100:72 101:1148 102:3897 103:32214 104:4816 105:751 106:1032 107:2644 108:1205 109:4076 110:2229 111:3334 112:2048 113:1796 114:1963 115:2207 116:2041 117:2747 118:2887 119:1955 120:1881 121:1374 122:2753 123:2179 124:1570 125:2846 126:91 128:1606 129:950 130:1299 131:1934 132:781 133:451 134:1543 135:331 136:1302 137:1297 138:2890 139:1628 140:1574 141:1494 142:1909 143:1677 144:1078 145:505 146:2162 147:2101 148:2676 149:2876 150:1253 151:1817 152:2104 153:564 154:8240 155:1657 156:3458 157:1900 158:1288 159:2441 160:3578 161:1915 162:3723 163:2116 164:1699 165:2201 166:1470 167:1882 168:4027 169:791 170:5068 171:1010 172:4429 173:3259 174:917 175:1302 176:3664 177:4665 178:3688 179:2276 180:2608 181:4045 182:3391 183:2058 184:2145 185:21549 186:5088 187:4443 188:4214 189:4217 190:9601 191:1472 192:11242 193:9464 194:7766 195:5507 196:3300 197:3662 198:6223 199:8481 200:8212 201:6321 202:10408 203:10640 204:4544 205:3628 206:4624 207:3556 208:4259 209:5205 210:4588 211:2534 212:4524 213:3703 214:1032 215:48 216:6719 217:3151 218:1333 219:376 220:2085 221:1058 222:724 223:2350 End of report