IPv4 R&E Routing Table Report 18:40 GMT Thu 22 May, 2025 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 1002287 Prefixes after maximum aggregation (per Origin AS): 379145 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 481578 Number of IPv4 prefixes with a valid ROA: 558082 Number of IPv4 prefixes with an invalid ROA: 513 Number of IPv4 prefixes with no ROA: 443692 Total ASes present in the Internet Routing Table: 76843 Prefixes per ASN: 13.04 Origin-only ASes present in the Internet Routing Table: 65952 Origin ASes announcing only one prefix: 26567 Transit ASes present in the Internet Routing Table: 10891 Transit-only ASes present in the Internet Routing Table: 544 Paths with bogon ASNs present in the IPv4 Routing Table: 82 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 78 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1013 Number of instances of unregistered ASNs: 1014 Number of 32-bit ASNs allocated by the RIRs: 46491 Number of 32-bit ASNs visible in the Routing Table: 38266 Prefixes from 32-bit ASNs in the Routing Table: 209485 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 457 Number of addresses announced to Internet: 3109762560 Equivalent to 185 /8s, 91 /16s and 54 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 330325 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 259758 Total APNIC prefixes after maximum aggregation: 77110 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 250837 Unique aggregates announced from the APNIC address blocks: 104285 APNIC Region origin ASes present in the Internet Routing Table: 14585 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4431 APNIC Region transit ASes present in the Internet Routing Table: 1925 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10120 Number of APNIC addresses announced to Internet: 748743680 Equivalent to 44 /8s, 160 /16s and 236 /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: 294143 Total ARIN prefixes after maximum aggregation: 131044 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 295023 Unique aggregates announced from the ARIN address blocks: 139413 ARIN Region origin ASes present in the Internet Routing Table: 19224 ARIN Prefixes per ASN: 15.35 ARIN Region origin ASes announcing only one prefix: 7049 ARIN Region transit ASes present in the Internet Routing Table: 1950 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5214 Number of ARIN addresses announced to Internet: 1352792832 Equivalent to 80 /8s, 161 /16s and 251 /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: 276935 Total RIPE prefixes after maximum aggregation: 134144 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 274907 Unique aggregates announced from the RIPE address blocks: 174913 RIPE Region origin ASes present in the Internet Routing Table: 28956 RIPE Prefixes per ASN: 9.49 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12457 Number of RIPE addresses announced to Internet: 731473920 Equivalent to 43 /8s, 153 /16s and 104 /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: 132593 Total LACNIC prefixes after maximum aggregation: 29488 LACNIC Deaggregation factor: 4.50 Prefixes being announced from the LACNIC address blocks: 128835 Unique aggregates announced from the LACNIC address blocks: 48898 LACNIC Region origin ASes present in the Internet Routing Table: 11239 LACNIC Prefixes per ASN: 11.46 LACNIC Region origin ASes announcing only one prefix: 2363 LACNIC Region transit ASes present in the Internet Routing Table: 2510 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9191 Number of LACNIC addresses announced to Internet: 171778560 Equivalent to 10 /8s, 61 /16s and 34 /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: 37845 Total AfriNIC prefixes after maximum aggregation: 6729 AfriNIC Deaggregation factor: 5.62 Prefixes being announced from the AfriNIC address blocks: 52228 Unique aggregates announced from the AfriNIC address blocks: 13662 AfriNIC Region origin ASes present in the Internet Routing Table: 1919 AfriNIC Prefixes per ASN: 27.22 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 380 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 78 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284 Number of AfriNIC addresses announced to Internet: 104761344 Equivalent to 6 /8s, 62 /16s and 136 /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 11085 8755 95 CHINAMOBILE-CN China Mobile Communication 7545 6174 844 646 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4409 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4286 534 301 BBIL-AP BHARTI Airtel Ltd., IN 7552 3903 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3274 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2867 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2165 434 192 TATACOMM-AS TATA Communications formerly Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13456 40824 5097 AMAZON-02, US 174 5305 8746 881 COGENT-174, US 11492 4734 314 586 CABLEONE, US 7155 3864 286 85 VIASAT-SP-BACKBONE, US 6327 3620 1320 81 SHAW, CA 22773 3352 3033 170 ASN-CXA-ALL-CCI-22773-RDC, US 749 3231 54784 2482 DNIC-AS-00749, US 396982 3168 3852 417 GOOGLE-CLOUD-PLATFORM, US 16625 3100 1297 2255 AKAMAI-AS, US 36352 2827 231 858 AS-COLOCROSSING, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7712 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4020 3395 126 AKAMAI-ASN1, NL 9009 3837 334 2036 M247, RO 12389 3071 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2391 360 581 TELLCOM-AS, TR 212238 2149 151 1580 CDNEXT, GB 8452 1611 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1423 94 738 CLOUVIDER Clouvider - Global ASN, GB Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12175 3251 581 UNINET, MX 10620 3499 480 1018 Telmex Colombia S.A., CO 13999 2512 540 364 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1205 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1198 371 22 Telefonica del Peru S.A.A., PE 28202 1125 52 9 Rede Brasileira de Comunicacao SA, BR 22884 1062 68 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1780 644 27 RAYA-AS, EG 24863 1651 389 17 LINKdotNET-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36992 1432 1519 280 ETISALAT-MISR, EG 20011 1295 204 345 INTERNET-SOLUTIONS, ZA 36903 1250 554 97 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1046 523 46 Vodafone-, EG 37457 587 316 32 Telkom-Internet, ZA 3741 560 661 319 IS, ZA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13456 40824 5097 AMAZON-02, US 8151 12175 3251 581 UNINET, MX 9808 11085 8755 95 CHINAMOBILE-CN China Mobile Communication 12479 7712 1714 148 UNI2-AS, ES 7545 6174 844 646 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5305 8746 881 COGENT-174, US 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4734 314 586 CABLEONE, US 18403 4409 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4286 534 301 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 12175 11594 UNINET, MX 9808 11085 10990 CHINAMOBILE-CN China Mobile Communications Grou 12479 7712 7564 UNI2-AS, ES 7545 6174 5528 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5305 4424 COGENT-174, US 18403 4409 4384 FPT-AS-AP FPT Telecom Company, VN 11492 4734 4148 CABLEONE, US 9498 4286 3985 BBIL-AP BHARTI Airtel Ltd., IN 20940 4020 3894 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/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/RENU/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 23.146.16.0/24 Origin: 396281 RESERVED, ZZ 23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US 23.146.19.0/24 Origin: 396281 RESERVED, ZZ 23.146.19.0/24 Transit: 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:16 /10:41 /11:92 /12:299 /13:583 /14:1228 /15:2185 /16:13973 /17:8332 /18:13866 /19:24772 /20:44532 /21:52496 /22:113301 /23:106330 /24:620225 /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 6628 7712 UNI2-AS, ES 8151 6347 12175 UNINET, MX 11492 3531 4734 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3620 SHAW, CA 7155 2823 3864 VIASAT-SP-BACKBONE, US 22773 2499 3352 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2329 13456 AMAZON-02, US 30036 2229 2569 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3499 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2380 2:1518 3:778 4:9 5:4998 6:163 7:6 8:1600 9:1 11:172 12:1362 13:429 14:2522 15:353 16:284 17:376 18:919 20:534 21:4 22:188 23:7575 24:2891 25:2 27:2777 29:19 31:3299 32:44 33:1 34:84 35:207 36:2956 37:4644 38:10320 39:909 40:169 41:4440 42:1972 43:2601 44:385 45:19357 46:5083 47:302 49:1941 50:1897 51:591 52:1561 54:315 55:1096 56:11 57:270 58:2219 59:1283 60:1168 61:3012 62:3016 63:1816 64:5509 65:2196 66:4722 67:3108 68:1133 69:4006 70:1067 71:634 72:2913 74:2795 75:1528 76:617 77:2804 78:1897 79:1480 80:2224 81:2102 82:3115 83:1447 84:1869 85:3420 86:1066 87:2393 88:1307 89:4395 90:776 91:8439 92:2704 93:2904 94:4071 95:4334 96:1475 97:316 98:979 99:686 100:71 101:1430 102:4282 103:32340 104:5053 105:1236 106:1033 107:2648 108:1227 109:3975 110:2241 111:3332 112:2093 113:1820 114:1978 115:2215 116:2084 117:2532 118:2801 119:1967 120:1948 121:1374 122:2787 123:2416 124:1607 125:2861 126:91 128:1617 129:1021 130:1334 131:2038 132:781 133:451 134:1548 135:378 136:1354 137:1133 138:3081 139:1594 140:1588 141:1503 142:1926 143:1784 144:1102 145:509 146:2196 147:2111 148:2714 149:2952 150:1227 151:1939 152:2106 153:564 154:8341 155:1995 156:3213 157:1902 158:1322 159:2448 160:3905 161:1889 162:3767 163:2179 164:1726 165:2235 166:1475 167:1918 168:4493 169:804 170:5325 171:1006 172:4451 173:3318 174:917 175:1296 176:3758 177:5460 178:3715 179:2495 180:2663 181:4189 182:3439 183:2114 184:2116 185:21762 186:5513 187:4845 188:4273 189:4493 190:9734 191:1942 192:11269 193:9505 194:7850 195:5640 196:3598 197:3787 198:6121 199:8519 200:8455 201:6478 202:10378 203:10693 204:4546 205:3626 206:4471 207:3466 208:4274 209:5217 210:4625 211:2541 212:4590 213:3781 214:1028 215:48 216:6783 217:3207 218:1362 219:391 220:2086 221:1096 222:718 223:2387 End of report