IPv4 R&E Routing Table Report 21:10 GMT Fri 18 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: 979588 Prefixes after maximum aggregation (per Origin AS): 376092 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 478173 Number of IPv4 prefixes with a valid ROA: 540687 Number of IPv4 prefixes with an invalid ROA: 124 Number of IPv4 prefixes with no ROA: 438775 Total ASes present in the Internet Routing Table: 76792 Prefixes per ASN: 12.76 Origin-only ASes present in the Internet Routing Table: 65818 Origin ASes announcing only one prefix: 26896 Transit ASes present in the Internet Routing Table: 10974 Transit-only ASes present in the Internet Routing Table: 540 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 72 Max AS path prepend of ASN (152107) 65 Prefixes from unregistered ASNs in the Routing Table: 1047 Number of instances of unregistered ASNs: 1050 Number of 32-bit ASNs allocated by the RIRs: 46240 Number of 32-bit ASNs visible in the Routing Table: 38137 Prefixes from 32-bit ASNs in the Routing Table: 200958 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: 440 Number of addresses announced to Internet: 3106604032 Equivalent to 185 /8s, 43 /16s and 4 /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: 321063 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 256094 Total APNIC prefixes after maximum aggregation: 76562 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 247740 Unique aggregates announced from the APNIC address blocks: 102863 APNIC Region origin ASes present in the Internet Routing Table: 14593 APNIC Prefixes per ASN: 16.98 APNIC Region origin ASes announcing only one prefix: 4441 APNIC Region transit ASes present in the Internet Routing Table: 1962 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 72 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10098 Number of APNIC addresses announced to Internet: 748224000 Equivalent to 44 /8s, 152 /16s and 254 /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: 289834 Total ARIN prefixes after maximum aggregation: 129353 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 290923 Unique aggregates announced from the ARIN address blocks: 137930 ARIN Region origin ASes present in the Internet Routing Table: 19258 ARIN Prefixes per ASN: 15.11 ARIN Region origin ASes announcing only one prefix: 7050 ARIN Region transit ASes present in the Internet Routing Table: 1986 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: 5195 Number of ARIN addresses announced to Internet: 1349423104 Equivalent to 80 /8s, 110 /16s and 144 /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: 273702 Total RIPE prefixes after maximum aggregation: 133524 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 271624 Unique aggregates announced from the RIPE address blocks: 173824 RIPE Region origin ASes present in the Internet Routing Table: 28886 RIPE Prefixes per ASN: 9.40 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3971 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: 12390 Number of RIPE addresses announced to Internet: 731879680 Equivalent to 43 /8s, 159 /16s and 153 /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: 123553 Total LACNIC prefixes after maximum aggregation: 29274 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120147 Unique aggregates announced from the LACNIC address blocks: 48891 LACNIC Region origin ASes present in the Internet Routing Table: 11229 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2472 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9174 Number of LACNIC addresses announced to Internet: 171763968 Equivalent to 10 /8s, 60 /16s and 233 /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: 35358 Total AfriNIC prefixes after maximum aggregation: 6752 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 48713 Unique aggregates announced from the AfriNIC address blocks: 14287 AfriNIC Region origin ASes present in the Internet Routing Table: 1915 AfriNIC Prefixes per ASN: 25.44 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1280 Number of AfriNIC addresses announced to Internet: 105092864 Equivalent to 6 /8s, 67 /16s and 151 /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 10348 8753 89 CHINAMOBILE-CN China Mobile Communication 7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4221 530 275 BBIL-AP BHARTI Airtel Ltd., IN 7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3670 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2849 849 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2176 11524 637 KIXS-AS-KR Korea Telecom, KR 45090 2171 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 13213 39695 4100 AMAZON-02, US 11492 4694 311 587 CABLEONE, US 7155 3829 286 85 VIASAT-SP-BACKBONE, US 22773 3629 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3621 1320 81 SHAW, CA 174 3524 8762 934 COGENT-174, US 749 3254 54879 2505 DNIC-AS-00749, US 16625 3123 1312 2260 AKAMAI-AS, US 396982 2957 3650 468 GOOGLE-CLOUD-PLATFORM, US 36352 2690 221 831 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 7704 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4040 3395 129 AKAMAI-ASN1, NL 9009 3773 326 1960 M247, RO 12389 3068 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2363 360 585 TELLCOM-AS, TR 212238 2095 148 1541 CDNEXT, GB 8452 1641 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1444 95 746 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 11957 3243 591 UNINET, MX 10620 3522 486 992 Telmex Colombia S.A., CO 13999 2511 539 364 Mega Cable, S.A. de C.V., MX 11830 1993 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 1192 371 22 Telefonica del Peru S.A.A., PE 11664 1183 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1052 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 1743 607 31 RAYA-AS, EG 24863 1647 389 16 LINKdotNET-AS, EG 29571 1588 102 22 ORANGE-COTE-IVOIRE, CI 36992 1433 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1020 521 42 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 6713 562 1861 35 IAM-AS, MA 36914 528 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 13213 39695 4100 AMAZON-02, US 8151 11957 3243 591 UNINET, MX 9808 10348 8753 89 CHINAMOBILE-CN China Mobile Communication 12479 7704 1714 145 UNI2-AS, ES 7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4694 311 587 CABLEONE, US 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4221 530 275 BBIL-AP BHARTI Airtel Ltd., IN 20940 4040 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 11957 11366 UNINET, MX 9808 10348 10259 CHINAMOBILE-CN China Mobile Communications Grou 12479 7704 7559 UNI2-AS, ES 7545 6214 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4259 4234 FPT-AS-AP FPT Telecom Company, VN 11492 4694 4107 CABLEONE, US 9498 4221 3946 BBIL-AP BHARTI Airtel Ltd., IN 20940 4040 3911 AKAMAI-ASN1, NL 7552 3923 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 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 /13:584 /14:1225 /15:2161 /16:13925 /17:8301 /18:13757 /19:24621 /20:43742 /21:51785 /22:112098 /23:101712 /24:605210 /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 6625 7704 UNI2-AS, ES 8151 6163 11957 UNINET, MX 11492 3531 4694 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 2787 3829 VIASAT-SP-BACKBONE, US 22773 2747 3629 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2359 13213 AMAZON-02, US 30036 2231 2573 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 3522 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) ---------------------------------------------- 1:2335 2:1537 3:617 4:10 5:4633 6:163 7:6 8:1557 9:1 11:172 12:1371 13:353 14:2514 15:352 16:283 17:368 18:923 20:511 21:4 22:188 23:7469 24:2800 25:2 27:2772 29:19 31:3216 32:36 34:80 35:206 36:2396 37:4655 38:8905 39:905 40:166 41:4225 42:1915 43:2562 44:379 45:18552 46:5014 47:290 49:1917 50:1894 51:590 52:1555 54:299 55:1090 56:11 57:256 58:2207 59:1214 60:1171 61:2776 62:2912 63:1826 64:5497 65:2134 66:4642 67:3066 68:1149 69:3928 70:1118 71:622 72:2845 74:2794 75:1601 76:612 77:2744 78:1895 79:1750 80:2196 81:2048 82:3196 83:1431 84:1850 85:3417 86:1050 87:2152 88:1312 89:4312 90:784 91:8325 92:2717 93:2894 94:4063 95:4365 96:1434 97:313 98:1025 99:644 100:72 101:1148 102:3755 103:32247 104:4820 105:756 106:980 107:2640 108:1207 109:4079 110:2230 111:3339 112:2046 113:1791 114:1962 115:2206 116:2030 117:2749 118:2898 119:1956 120:1876 121:1371 122:2752 123:2177 124:1564 125:2859 126:91 128:1588 129:956 130:1289 131:1920 132:788 133:451 134:1532 135:331 136:1304 137:1295 138:2891 139:1618 140:1578 141:1487 142:1904 143:1641 144:1067 145:515 146:2157 147:2113 148:2662 149:2912 150:1241 151:1759 152:2105 153:569 154:8021 155:1616 156:3200 157:1901 158:1289 159:2443 160:3573 161:1909 162:3751 163:2075 164:1692 165:2202 166:1448 167:1882 168:4061 169:791 170:4891 171:1006 172:4493 173:3233 174:912 175:1299 176:3677 177:4651 178:3742 179:2280 180:2596 181:4059 182:3368 183:2044 184:2140 185:21549 186:5068 187:4411 188:4201 189:4179 190:9625 191:1474 192:11258 193:9440 194:7767 195:5537 196:3301 197:3688 198:6193 199:8447 200:8201 201:6275 202:10406 203:10619 204:4549 205:3680 206:4636 207:3562 208:4212 209:5179 210:4574 211:2531 212:4527 213:3774 214:1034 215:48 216:6628 217:3123 218:1334 219:375 220:2083 221:1060 222:716 223:2322 End of report