IPv4 R&E Routing Table Report 18:40 GMT Thu 15 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: 1001457 Prefixes after maximum aggregation (per Origin AS): 378852 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 479684 Number of IPv4 prefixes with a valid ROA: 557170 Number of IPv4 prefixes with an invalid ROA: 558 Number of IPv4 prefixes with no ROA: 443729 Total ASes present in the Internet Routing Table: 76874 Prefixes per ASN: 13.03 Origin-only ASes present in the Internet Routing Table: 65974 Origin ASes announcing only one prefix: 26581 Transit ASes present in the Internet Routing Table: 10900 Transit-only ASes present in the Internet Routing Table: 553 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: 1021 Number of instances of unregistered ASNs: 1022 Number of 32-bit ASNs allocated by the RIRs: 46405 Number of 32-bit ASNs visible in the Routing Table: 38272 Prefixes from 32-bit ASNs in the Routing Table: 209208 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: 490 Number of addresses announced to Internet: 3109939200 Equivalent to 185 /8s, 93 /16s and 232 /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: 330365 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 258984 Total APNIC prefixes after maximum aggregation: 76929 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 250086 Unique aggregates announced from the APNIC address blocks: 103122 APNIC Region origin ASes present in the Internet Routing Table: 14588 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4441 APNIC Region transit ASes present in the Internet Routing Table: 1931 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: 10124 Number of APNIC addresses announced to Internet: 748530176 Equivalent to 44 /8s, 157 /16s and 170 /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: 292930 Total ARIN prefixes after maximum aggregation: 130638 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 294581 Unique aggregates announced from the ARIN address blocks: 138777 ARIN Region origin ASes present in the Internet Routing Table: 19224 ARIN Prefixes per ASN: 15.32 ARIN Region origin ASes announcing only one prefix: 7045 ARIN Region transit ASes present in the Internet Routing Table: 1950 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5210 Number of ARIN addresses announced to Internet: 1353077248 Equivalent to 80 /8s, 166 /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: 277074 Total RIPE prefixes after maximum aggregation: 134117 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 274797 Unique aggregates announced from the RIPE address blocks: 174593 RIPE Region origin ASes present in the Internet Routing Table: 28969 RIPE Prefixes per ASN: 9.49 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 3964 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12458 Number of RIPE addresses announced to Internet: 730985216 Equivalent to 43 /8s, 145 /16s and 243 /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: 133365 Total LACNIC prefixes after maximum aggregation: 29638 LACNIC Deaggregation factor: 4.50 Prefixes being announced from the LACNIC address blocks: 128873 Unique aggregates announced from the LACNIC address blocks: 48898 LACNIC Region origin ASes present in the Internet Routing Table: 11244 LACNIC Prefixes per ASN: 11.46 LACNIC Region origin ASes announcing only one prefix: 2362 LACNIC Region transit ASes present in the Internet Routing Table: 2502 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: 9195 Number of LACNIC addresses announced to Internet: 171746304 Equivalent to 10 /8s, 60 /16s and 164 /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: 38083 Total AfriNIC prefixes after maximum aggregation: 6889 AfriNIC Deaggregation factor: 5.53 Prefixes being announced from the AfriNIC address blocks: 52630 Unique aggregates announced from the AfriNIC address blocks: 13890 AfriNIC Region origin ASes present in the Internet Routing Table: 1917 AfriNIC Prefixes per ASN: 27.45 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 378 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: 1285 Number of AfriNIC addresses announced to Internet: 105370624 Equivalent to 6 /8s, 71 /16s and 212 /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 10988 8755 95 CHINAMOBILE-CN China Mobile Communication 7545 6161 842 649 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4351 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4278 533 300 BBIL-AP BHARTI Airtel Ltd., IN 7552 3890 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3267 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2164 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 13390 40826 4978 AMAZON-02, US 174 5321 8750 906 COGENT-174, US 11492 4727 313 592 CABLEONE, US 7155 3864 286 85 VIASAT-SP-BACKBONE, US 6327 3619 1320 81 SHAW, CA 22773 3350 3032 168 ASN-CXA-ALL-CCI-22773-RDC, US 749 3243 54815 2494 DNIC-AS-00749, US 396982 3166 3852 416 GOOGLE-CLOUD-PLATFORM, US 16625 3106 1299 2254 AKAMAI-AS, US 36352 2788 228 855 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 7692 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4028 3395 126 AKAMAI-ASN1, NL 9009 3778 326 1958 M247, RO 12389 3070 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2391 360 581 TELLCOM-AS, TR 212238 2141 150 1575 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1585 1852 14 TE-AS TE-AS, EG 62240 1422 94 737 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 12126 3247 581 UNINET, MX 10620 3500 480 1019 Telmex Colombia S.A., CO 13999 2517 540 364 Mega Cable, S.A. de C.V., MX 11830 1996 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 1204 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1197 371 22 Telefonica del Peru S.A.A., PE 28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR 22884 1055 67 378 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 1778 632 28 RAYA-AS, EG 24863 1653 389 16 LINKdotNET-AS, EG 29571 1597 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 1040 523 45 Vodafone-, EG 37457 587 316 32 Telkom-Internet, ZA 3741 559 661 318 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 13390 40826 4978 AMAZON-02, US 8151 12126 3247 581 UNINET, MX 9808 10988 8755 95 CHINAMOBILE-CN China Mobile Communication 12479 7692 1714 148 UNI2-AS, ES 7545 6161 842 649 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5321 8750 906 COGENT-174, US 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4727 313 592 CABLEONE, US 18403 4351 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4278 533 300 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 12126 11545 UNINET, MX 9808 10988 10893 CHINAMOBILE-CN China Mobile Communications Grou 12479 7692 7544 UNI2-AS, ES 7545 6161 5512 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5321 4415 COGENT-174, US 18403 4351 4326 FPT-AS-AP FPT Telecom Company, VN 11492 4727 4135 CABLEONE, US 9498 4278 3978 BBIL-AP BHARTI Airtel Ltd., IN 20940 4028 3902 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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/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 /11:93 /12:300 /13:582 /14:1228 /15:2186 /16:14048 /17:8332 /18:13876 /19:24801 /20:44477 /21:52469 /22:113204 /23:106010 /24:619778 /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 6610 7692 UNI2-AS, ES 8151 6303 12126 UNINET, MX 11492 3533 4727 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3416 3619 SHAW, CA 7155 2823 3864 VIASAT-SP-BACKBONE, US 22773 2500 3350 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2334 13390 AMAZON-02, US 30036 2227 2567 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2186 3500 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) ---------------------------------------------- 1:2341 2:1523 3:734 4:11 5:4981 6:163 7:6 8:1604 9:1 11:172 12:1365 13:418 14:2520 15:353 16:284 17:372 18:916 20:525 21:4 22:188 23:7571 24:2853 25:2 27:2771 29:19 31:3291 32:44 33:1 34:84 35:204 36:2893 37:4658 38:10333 39:910 40:169 41:4443 42:1973 43:2595 44:382 45:19345 46:5066 47:301 49:1943 50:1901 51:591 52:1556 54:315 55:1094 56:11 57:267 58:2215 59:1281 60:1167 61:2996 62:3016 63:1827 64:5526 65:2175 66:4705 67:3081 68:1129 69:4012 70:1070 71:634 72:2852 74:2806 75:1628 76:616 77:2807 78:1885 79:1758 80:2218 81:2090 82:3127 83:1439 84:1866 85:3424 86:1068 87:2416 88:1308 89:4380 90:775 91:8423 92:2699 93:2905 94:4066 95:4320 96:1475 97:316 98:979 99:686 100:72 101:1168 102:4327 103:32329 104:5035 105:1237 106:1032 107:2643 108:1231 109:4122 110:2234 111:3323 112:2073 113:1808 114:1977 115:2191 116:2081 117:2601 118:2790 119:1956 120:1924 121:1367 122:2776 123:2406 124:1588 125:2849 126:91 128:1609 129:1020 130:1303 131:2038 132:778 133:451 134:1547 135:378 136:1389 137:1130 138:3072 139:1598 140:1592 141:1506 142:1924 143:1778 144:1097 145:511 146:2173 147:2108 148:2689 149:2930 150:1217 151:1897 152:2102 153:563 154:8334 155:1986 156:3329 157:1893 158:1307 159:2446 160:3916 161:1892 162:3768 163:2156 164:1725 165:2225 166:1479 167:1931 168:4484 169:796 170:5339 171:1006 172:4478 173:3305 174:915 175:1301 176:3750 177:5481 178:3690 179:2484 180:2654 181:4202 182:3428 183:2096 184:2119 185:21751 186:5484 187:4827 188:4257 189:4500 190:9771 191:1933 192:11248 193:9526 194:7848 195:5630 196:3658 197:3772 198:6122 199:8518 200:8542 201:6462 202:10353 203:10679 204:4544 205:3548 206:4488 207:3475 208:4291 209:5208 210:4616 211:2538 212:4575 213:3780 214:1031 215:48 216:6748 217:3209 218:1358 219:392 220:2082 221:1086 222:714 223:2387 End of report