IPv4 R&E Routing Table Report 20:15 GMT Mon 16 Dec, 2024 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 255310 Prefixes after maximum aggregation (per Origin AS): 112836 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 133833 Number of IPv4 prefixes with a valid ROA: 112672 Number of IPv4 prefixes with an invalid ROA: 26 Number of IPv4 prefixes with no ROA: 142612 Total ASes present in the Internet Routing Table: 20351 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 17486 Origin ASes announcing only one prefix: 7816 Transit ASes present in the Internet Routing Table: 2865 Transit-only ASes present in the Internet Routing Table: 735 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 320 Number of instances of unregistered ASNs: 321 Number of 32-bit ASNs allocated by the RIRs: 45980 Number of 32-bit ASNs visible in the Routing Table: 7887 Prefixes from 32-bit ASNs in the Routing Table: 29107 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 152 Number of addresses announced to Internet: 1570873341 Equivalent to 93 /8s, 161 /16s and 159 /24s Percentage of available address space announced: 42.4 Percentage of allocated address space announced: 42.4 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: 80640 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31558 Total APNIC prefixes after maximum aggregation: 7654 APNIC Deaggregation factor: 4.12 Prefixes being announced from the APNIC address blocks: 30875 Unique aggregates announced from the APNIC address blocks: 8598 APNIC Region origin ASes present in the Internet Routing Table: 1191 APNIC Prefixes per ASN: 25.92 APNIC Region origin ASes announcing only one prefix: 468 APNIC Region transit ASes present in the Internet Routing Table: 219 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 518 Number of APNIC addresses announced to Internet: 173340524 Equivalent to 10 /8s, 84 /16s and 247 /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, 131072-153913 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: 117209 Total ARIN prefixes after maximum aggregation: 60710 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 115641 Unique aggregates announced from the ARIN address blocks: 59754 ARIN Region origin ASes present in the Internet Routing Table: 9061 ARIN Prefixes per ASN: 12.76 ARIN Region origin ASes announcing only one prefix: 3764 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2043 Number of ARIN addresses announced to Internet: 954791297 Equivalent to 56 /8s, 232 /16s and 245 /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: 47450 Total RIPE prefixes after maximum aggregation: 26088 RIPE Deaggregation factor: 1.82 Prefixes being announced from the RIPE address blocks: 48901 Unique aggregates announced from the RIPE address blocks: 36374 RIPE Region origin ASes present in the Internet Routing Table: 4657 RIPE Prefixes per ASN: 10.50 RIPE Region origin ASes announcing only one prefix: 1979 RIPE Region transit ASes present in the Internet Routing Table: 687 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1835 Number of RIPE addresses announced to Internet: 303965648 Equivalent to 18 /8s, 30 /16s and 37 /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: 48506 Total LACNIC prefixes after maximum aggregation: 15124 LACNIC Deaggregation factor: 3.21 Prefixes being announced from the LACNIC address blocks: 47316 Unique aggregates announced from the LACNIC address blocks: 23094 LACNIC Region origin ASes present in the Internet Routing Table: 4262 LACNIC Prefixes per ASN: 11.10 LACNIC Region origin ASes announcing only one prefix: 1471 LACNIC Region transit ASes present in the Internet Routing Table: 893 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3336 Number of LACNIC addresses announced to Internet: 98693952 Equivalent to 5 /8s, 225 /16s and 243 /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: 10267 Total AfriNIC prefixes after maximum aggregation: 3037 AfriNIC Deaggregation factor: 3.38 Prefixes being announced from the AfriNIC address blocks: 12425 Unique aggregates announced from the AfriNIC address blocks: 5887 AfriNIC Region origin ASes present in the Internet Routing Table: 310 AfriNIC Prefixes per ASN: 40.08 AfriNIC Region origin ASes announcing only one prefix: 134 AfriNIC Region transit ASes present in the Internet Routing Table: 88 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 155 Number of AfriNIC addresses announced to Internet: 40008192 Equivalent to 2 /8s, 98 /16s and 122 /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 9906 8753 87 CHINAMOBILE-CN China Mobile Communication 56046 1565 804 184 CMNET-JIANGSU-AP China Mobile communicati 56041 1494 714 78 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1491 192 50 CMNET-HUNAN-AP China Mobile communication 24547 829 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 2907 602 2200 463 SINET-AS Research Organization of Informa 17676 520 9903 160 GIGAINFRA SoftBank Corp., JP 56040 482 488 105 CMNET-GUANGDONG-AP China Mobile communica 45102 468 748 112 ALIBABA-CN-NET Alibaba US Technology Co., Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 12524 38459 2996 AMAZON-02, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3201 23504 2045 ATT-INTERNET4, US 367 2489 2990 1171 DNIC-ASBLK-00306-00371, US 22773 2467 2081 708 ASN-CXA-ALL-CCI-22773-RDC, US 4155 2289 155 1405 USDA-1, US 11776 1879 257 218 ATLANTICBB-JOHNSTOWN, US 6167 1746 3399 440 CELLCO-PART, US 209 1668 4895 294 CENTURYLINK-US-LEGACY-QWEST, US 20057 1406 1047 109 ATT-MOBILITY-LLC-AS20057, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 1872 126 49 ALJAWWALSTC-AS, SA 20940 1263 98 1021 AKAMAI-ASN1, NL 3215 888 4814 286 France Telecom - Orange, FR 3257 784 2071 685 GTT-BACKBONE GTT, US 8452 667 1842 17 TE-AS TE-AS, EG 25019 615 999 132 SAUDINETSTC-AS, SA 8376 592 55 26 Jordan Data Communications, JO 3320 579 8322 490 DTAG Internet service provider operations 51167 564 111 248 CONTABO, DE 62240 509 36 345 CLOUVIDER Clouvider - Global ASN, GB Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5470 1636 820 UNINET, MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 10620 1687 252 1197 Telmex Colombia S.A., CO 3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1114 371 22 Telefonica del Peru S.A.A., PE 26615 1002 2503 53 TIM SA, BR 18881 868 1128 28 TELEFONICA BRASIL S.A, BR 27651 667 93 49 ENTEL CHILE S.A., CL 28006 649 77 296 CORPORACION NACIONAL DE TELECOMUNICACIONE 26599 548 2888 72 TELEFONICA BRASIL S.A, BR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1497 389 16 LINKdotNET-AS, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 24835 718 362 148 RAYA-AS, EG 29571 597 52 294 ORANGE-COTE-IVOIRE, CI 36992 595 1006 263 ETISALAT-MISR, EG 37069 588 1047 14 MOBINIL, EG 36935 566 125 175 Vodafone-, EG 36914 540 82 3 KENET-AS, KE 36903 470 221 323 MT-MPLS, MA 2018 378 319 71 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 12524 38459 2996 AMAZON-02, US 9808 9906 8753 87 CHINAMOBILE-CN China Mobile Communication 8151 5470 1636 820 UNINET, MX 749 3262 54895 2509 DNIC-AS-00749, US 7018 3201 23504 2045 ATT-INTERNET4, US 367 2489 2990 1171 DNIC-ASBLK-00306-00371, US 22773 2467 2081 708 ASN-CXA-ALL-CCI-22773-RDC, US 4155 2289 155 1405 USDA-1, US 11830 1993 369 64 Instituto Costarricense de Electricidad y 11776 1879 257 218 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9906 9819 CHINAMOBILE-CN China Mobile Communications Grou 8151 5470 4650 UNINET, MX 11830 1993 1929 Instituto Costarricense de Electricidad y Telec 39891 1872 1823 ALJAWWALSTC-AS, SA 22773 2467 1759 ASN-CXA-ALL-CCI-22773-RDC, US 11776 1879 1661 ATLANTICBB-JOHNSTOWN, US 24863 1497 1481 LINKdotNET-AS, EG 56047 1491 1441 CMNET-HUNAN-AP China Mobile communications corp 56041 1494 1416 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1565 1381 CMNET-JIANGSU-AP China Mobile communications co Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 53966 UNALLOCATED 8.39.98.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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/KREONet2/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 /8:13 /9:10 /10:34 /11:40 /12:151 /13:210 /14:565 /15:1112 /16:7639 /17:3445 /18:4122 /19:7471 /20:12272 /21:14962 /22:27326 /23:27162 /24:148587 /25:42 /26:65 /27:35 /28:17 /29:16 /30:10 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 2795 5470 UNINET, MX 16509 2273 12524 AMAZON-02, US 22773 1867 2467 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1691 1993 Instituto Costarricense de Electricidad y Telecom., CR 7018 1468 3201 ATT-INTERNET4, US 39891 1017 1872 ALJAWWALSTC-AS, SA 209 947 1668 CENTURYLINK-US-LEGACY-QWEST, US 10620 940 1687 Telmex Colombia S.A., CO 19901 894 1078 BRSPD-PUBLIC, US 11776 892 1879 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:42 2:485 3:521 4:5 5:808 6:153 7:5 8:661 11:171 12:976 13:303 14:121 15:293 16:234 17:5 18:873 20:146 21:4 22:188 23:2209 24:684 27:36 29:19 31:415 32:19 34:9 35:107 36:1224 37:571 38:1768 39:525 40:52 41:1013 42:219 43:215 44:32 45:3754 46:929 47:94 49:19 50:335 51:370 52:1391 54:294 55:1034 56:8 57:17 58:31 59:29 60:15 61:73 62:496 63:772 64:1746 65:1101 66:1533 67:920 68:524 69:1150 70:301 71:207 72:579 74:910 75:430 76:247 77:369 78:302 79:291 80:317 81:368 82:345 83:195 84:326 85:510 86:222 87:213 88:256 89:863 90:95 91:1032 92:621 93:463 94:829 95:534 96:215 97:54 98:455 99:161 100:35 101:27 102:341 103:1180 104:986 105:164 106:39 107:1130 108:488 109:384 110:38 111:1874 112:464 113:43 114:54 115:20 116:50 117:987 118:171 119:120 120:1152 121:43 122:139 123:152 124:54 125:22 128:432 129:325 130:671 131:933 132:577 133:210 134:462 135:112 136:580 137:580 138:995 139:397 140:671 141:449 142:916 143:693 144:411 145:86 146:632 147:482 148:751 149:645 150:306 151:645 152:668 153:136 154:922 155:753 156:837 157:372 158:471 159:661 160:641 161:616 162:893 163:405 164:739 165:805 166:608 167:634 168:1525 169:147 170:1512 171:103 172:1123 173:767 174:229 175:54 176:419 177:1124 178:528 179:826 180:79 181:1858 182:51 183:869 184:444 185:3245 186:2332 187:1199 188:776 189:1351 190:4961 191:446 192:4864 193:1873 194:1310 195:951 196:770 197:1648 198:2545 199:4624 200:3893 201:3248 202:1100 203:705 204:2080 205:1967 206:1590 207:1433 208:1298 209:1912 210:311 211:428 212:993 213:815 214:1017 215:42 216:2412 217:447 218:521 219:22 220:29 221:301 222:30 223:705 End of report