IPv4 R&E Routing Table Report 20:15 GMT Mon 25 Dec, 2023 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: 256960 Prefixes after maximum aggregation (per Origin AS): 114064 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138791 Number of IPv4 prefixes with a valid ROA: 98151 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 158781 Total ASes present in the Internet Routing Table: 20623 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 17952 Origin ASes announcing only one prefix: 7993 Transit ASes present in the Internet Routing Table: 2671 Transit-only ASes present in the Internet Routing Table: 650 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 375 Number of instances of unregistered ASNs: 375 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 7400 Prefixes from 32-bit ASNs in the Routing Table: 26511 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 126 Number of addresses announced to Internet: 1487909225 Equivalent to 88 /8s, 175 /16s and 177 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 87418 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30544 Total APNIC prefixes after maximum aggregation: 7244 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30182 Unique aggregates announced from the APNIC address blocks: 8381 APNIC Region origin ASes present in the Internet Routing Table: 1185 APNIC Prefixes per ASN: 25.47 APNIC Region origin ASes announcing only one prefix: 484 APNIC Region transit ASes present in the Internet Routing Table: 191 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 515 Number of APNIC addresses announced to Internet: 214708616 Equivalent to 12 /8s, 204 /16s and 49 /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: 118935 Total ARIN prefixes after maximum aggregation: 62578 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118912 Unique aggregates announced from the ARIN address blocks: 69201 ARIN Region origin ASes present in the Internet Routing Table: 9608 ARIN Prefixes per ASN: 12.38 ARIN Region origin ASes announcing only one prefix: 3949 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2040 Number of ARIN addresses announced to Internet: 840365025 Equivalent to 50 /8s, 22 /16s and 243 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 56493 Total RIPE prefixes after maximum aggregation: 28420 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55471 Unique aggregates announced from the RIPE address blocks: 37376 RIPE Region origin ASes present in the Internet Routing Table: 5210 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 2190 RIPE Region transit ASes present in the Internet Routing Table: 734 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1993 Number of RIPE addresses announced to Internet: 303604992 Equivalent to 18 /8s, 24 /16s and 165 /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, 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: 42028 Total LACNIC prefixes after maximum aggregation: 13208 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 41340 Unique aggregates announced from the LACNIC address blocks: 19917 LACNIC Region origin ASes present in the Internet Routing Table: 3584 LACNIC Prefixes per ASN: 11.53 LACNIC Region origin ASes announcing only one prefix: 1286 LACNIC Region transit ASes present in the Internet Routing Table: 723 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2754 Number of LACNIC addresses announced to Internet: 88325632 Equivalent to 5 /8s, 67 /16s and 190 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 8585 Total AfriNIC prefixes after maximum aggregation: 2325 AfriNIC Deaggregation factor: 3.69 Prefixes being announced from the AfriNIC address blocks: 10929 Unique aggregates announced from the AfriNIC address blocks: 3792 AfriNIC Region origin ASes present in the Internet Routing Table: 232 AfriNIC Prefixes per ASN: 47.11 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 98 Number of AfriNIC addresses announced to Internet: 40830976 Equivalent to 2 /8s, 111 /16s and 8 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9591 8737 47 CHINAMOBILE-CN China Mobile Communicati 56047 1510 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1432 842 106 CMNET-JIANGSU-AP China Mobile communica 56041 1431 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 752 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 2907 601 2162 466 SINET-AS Research Organization of Infor 9394 482 4145 48 CTTNET China TieTong Telecommunications 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9466 11200 3347 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2959 3853 1411 DNIC-ASBLK-00306-00371, US 7018 2519 23623 1567 ATT-INTERNET4, US 5650 1990 2758 1410 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1742 3091 458 CELLCO-PART, US 209 1710 4899 327 CENTURYLINK-US-LEGACY-QWEST, 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1535 137 1223 AKAMAI-ASN1, NL 25019 904 1035 152 SAUDINETSTC-AS, SA 3215 893 4823 300 France Telecom - Orange, FR 8452 821 1841 14 TE-AS TE-AS, EG 61317 801 55 714 ASDETUK www.heficed.com, US 34984 754 88 479 TELLCOM-AS, TR 8376 718 59 21 Jordan Data Communications, JO 8386 707 109 242 KOCNET, TR 15897 572 188 20 VODAFONETURKEY, TR 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 5827 1660 1006 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1086 369 22 Telefonica del Peru S.A.A., PE 26615 1049 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 923 151 401 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 2965 47 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 1167 388 22 LINKdotNET-AS, EG 24835 1017 457 25 RAYA-AS, EG 36935 670 520 41 Vodafone-, EG 36992 655 950 340 ETISALAT-MISR, EG 36914 521 82 3 KENET-AS, KE 15399 430 38 145 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 387 36 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 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 9808 9591 8737 47 CHINAMOBILE-CN China Mobile Communicati 16509 9466 11200 3347 AMAZON-02, US 8151 5827 1660 1006 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2959 3853 1411 DNIC-ASBLK-00306-00371, US 7018 2519 23623 1567 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 9466 6119 AMAZON-02, US 8151 5827 4821 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3473 3181 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2007 1943 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2959 1548 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1510 1476 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1383 CENTURYLINK-US-LEGACY-QWEST, US 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 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 23.140.216.0/24 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 45.42.252.0/22 Origin: 16509 AMAZON-02, US 45.42.252.0/22 Transit: 24482 SGGS-AS-AP SG.GS, SG 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 /9:8 /10:29 /11:45 /12:129 /13:188 /14:499 /15:1001 /16:7437 /17:3481 /18:4019 /19:7885 /20:12298 /21:15412 /22:28586 /23:28941 /24:146710 /25:85 /26:61 /27:72 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3069 5827 UNINET, MX 22773 2531 3473 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1948 9466 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1705 2007 Instituto Costarricense de Electricidad y Telec 5650 1405 1990 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1097 2519 ATT-INTERNET4, US 209 965 1710 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:15 2:509 3:251 4:5 5:1355 6:150 7:5 8:727 11:171 12:1100 13:316 14:102 15:285 16:167 17:6 18:659 20:244 21:4 22:188 23:2410 24:785 25:2 27:25 29:19 31:447 32:37 34:2 35:56 36:1099 37:929 38:1347 39:505 40:62 41:967 42:20 43:214 44:41 45:3334 46:889 47:154 49:22 50:342 51:478 52:1387 54:339 55:885 56:5 57:23 58:7 59:32 60:18 61:66 62:595 63:889 64:2094 65:1153 66:2230 67:954 68:581 69:1195 70:483 71:266 72:700 74:1054 75:438 76:244 77:346 78:631 79:258 80:385 81:365 82:283 83:156 84:345 85:529 86:209 87:287 88:220 89:588 90:103 91:989 92:496 93:922 94:691 95:1221 96:280 97:69 98:548 99:163 100:45 101:28 102:287 103:1178 104:1404 105:64 106:42 107:1401 108:530 109:339 110:32 111:1741 112:472 113:61 114:33 115:17 116:47 117:953 118:64 119:151 120:1073 121:37 122:89 123:79 124:57 125:17 128:445 129:377 130:613 131:1045 132:550 133:267 134:437 135:122 136:422 137:590 138:856 139:533 140:575 141:280 142:802 143:635 144:380 145:90 146:606 147:424 148:692 149:704 150:293 151:609 152:532 153:146 154:626 155:763 156:598 157:329 158:428 159:660 160:663 161:638 162:968 163:404 164:653 165:565 166:575 167:619 168:1389 169:182 170:1497 171:99 172:1287 173:858 174:279 175:42 176:830 177:819 178:447 179:663 180:60 181:1648 182:16 183:875 184:502 185:3547 186:1884 187:867 188:815 189:1259 190:4369 191:342 192:4907 193:1985 194:1454 195:1128 196:942 197:755 198:2570 199:3422 200:3198 201:3207 202:1094 203:643 204:2231 205:1855 206:1633 207:1409 208:1421 209:1916 210:335 211:472 212:1048 213:871 214:1073 215:44 216:2521 217:572 218:524 219:24 220:29 221:292 222:20 223:617 End of report