IPv4 R&E Routing Table Report 20:15 GMT Thu 21 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: 257500 Prefixes after maximum aggregation (per Origin AS): 114070 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138849 Number of IPv4 prefixes with a valid ROA: 98070 Number of IPv4 prefixes with an invalid ROA: 48 Number of IPv4 prefixes with no ROA: 159382 Total ASes present in the Internet Routing Table: 20682 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 17991 Origin ASes announcing only one prefix: 8023 Transit ASes present in the Internet Routing Table: 2691 Transit-only ASes present in the Internet Routing Table: 657 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: 43246 Number of 32-bit ASNs visible in the Routing Table: 7426 Prefixes from 32-bit ASNs in the Routing Table: 26430 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: 1485943401 Equivalent to 88 /8s, 145 /16s and 178 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 40.1 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: 87509 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30692 Total APNIC prefixes after maximum aggregation: 7286 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30332 Unique aggregates announced from the APNIC address blocks: 8428 APNIC Region origin ASes present in the Internet Routing Table: 1202 APNIC Prefixes per ASN: 25.23 APNIC Region origin ASes announcing only one prefix: 493 APNIC Region transit ASes present in the Internet Routing Table: 195 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 530 Number of APNIC addresses announced to Internet: 212751752 Equivalent to 12 /8s, 174 /16s and 85 /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: 119064 Total ARIN prefixes after maximum aggregation: 62662 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118974 Unique aggregates announced from the ARIN address blocks: 69210 ARIN Region origin ASes present in the Internet Routing Table: 9614 ARIN Prefixes per ASN: 12.38 ARIN Region origin ASes announcing only one prefix: 3945 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: 2039 Number of ARIN addresses announced to Internet: 840295905 Equivalent to 50 /8s, 21 /16s and 229 /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: 56267 Total RIPE prefixes after maximum aggregation: 28281 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55293 Unique aggregates announced from the RIPE address blocks: 37194 RIPE Region origin ASes present in the Internet Routing Table: 5210 RIPE Prefixes per ASN: 10.61 RIPE Region origin ASes announcing only one prefix: 2192 RIPE Region transit ASes present in the Internet Routing Table: 730 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: 1976 Number of RIPE addresses announced to Internet: 303651584 Equivalent to 18 /8s, 25 /16s and 91 /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: 41979 Total LACNIC prefixes after maximum aggregation: 13207 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 41304 Unique aggregates announced from the LACNIC address blocks: 19894 LACNIC Region origin ASes present in the Internet Routing Table: 3589 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 1296 LACNIC Region transit ASes present in the Internet Routing Table: 738 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2763 Number of LACNIC addresses announced to Internet: 88276480 Equivalent to 5 /8s, 66 /16s and 254 /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: 9123 Total AfriNIC prefixes after maximum aggregation: 2345 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 11471 Unique aggregates announced from the AfriNIC address blocks: 3999 AfriNIC Region origin ASes present in the Internet Routing Table: 256 AfriNIC Prefixes per ASN: 44.81 AfriNIC Region origin ASes announcing only one prefix: 97 AfriNIC Region transit ASes present in the Internet Routing Table: 64 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: 118 Number of AfriNIC addresses announced to Internet: 40893696 Equivalent to 2 /8s, 111 /16s and 253 /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 9589 8737 46 CHINAMOBILE-CN China Mobile Communicati 56047 1509 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 751 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 610 4158 52 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 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 9446 11195 3372 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2960 3849 1415 DNIC-ASBLK-00306-00371, US 7018 2520 23623 1568 ATT-INTERNET4, US 5650 1990 2758 1410 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1750 3111 451 CELLCO-PART, US 209 1711 4899 328 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 1531 136 1223 AKAMAI-ASN1, NL 25019 904 1035 152 SAUDINETSTC-AS, SA 3215 893 4823 300 France Telecom - Orange, FR 8452 812 1841 14 TE-AS TE-AS, EG 61317 801 55 714 ASDETUK www.heficed.com, US 34984 768 91 491 TELLCOM-AS, TR 8376 722 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 5826 1660 1006 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 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 990 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 29571 801 60 137 ORANGE-COTE-IVOIRE, CI 36992 673 993 338 ETISALAT-MISR, EG 36935 670 520 41 Vodafone-, EG 36914 519 82 3 KENET-AS, KE 15399 430 38 145 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 2018 381 319 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 9589 8737 46 CHINAMOBILE-CN China Mobile Communicati 16509 9446 11195 3372 AMAZON-02, US 8151 5826 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 2960 3849 1415 DNIC-ASBLK-00306-00371, US 7018 2520 23623 1568 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 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 9446 6074 AMAZON-02, US 8151 5826 4820 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3473 3181 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2960 1545 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1509 1475 CMNET-HUNAN-AP China Mobile communications corp 209 1711 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 /12:127 /13:188 /14:500 /15:1001 /16:7408 /17:3482 /18:4040 /19:7908 /20:12316 /21:15463 /22:28612 /23:28993 /24:147089 /25:84 /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 3068 5826 UNINET, MX 22773 2531 3473 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1935 9446 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1405 1990 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1099 2520 ATT-INTERNET4, US 209 965 1711 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 2:507 3:248 4:5 5:1352 6:150 7:5 8:730 11:171 12:1097 13:317 14:103 15:284 16:167 17:6 18:656 20:244 21:4 22:188 23:2398 24:781 25:2 27:25 29:19 31:447 32:37 34:2 35:55 36:1101 37:918 38:1332 39:505 40:62 41:1054 42:20 43:212 44:41 45:3335 46:888 47:154 49:22 50:343 51:477 52:1391 54:346 55:885 56:5 57:23 58:7 59:33 60:18 61:70 62:595 63:897 64:2096 65:1154 66:2245 67:958 68:581 69:1192 70:483 71:265 72:700 74:1050 75:438 76:244 77:345 78:628 79:239 80:387 81:365 82:293 83:158 84:327 85:527 86:227 87:285 88:220 89:604 90:103 91:954 92:498 93:930 94:676 95:1226 96:280 97:69 98:550 99:163 100:45 101:24 102:298 103:1204 104:1407 105:65 106:42 107:1399 108:527 109:340 110:33 111:1740 112:472 113:60 114:33 115:14 116:46 117:953 118:64 119:151 120:1079 121:42 122:93 123:81 124:57 125:16 128:446 129:378 130:611 131:1061 132:556 133:267 134:436 135:123 136:422 137:589 138:857 139:536 140:575 141:280 142:800 143:637 144:380 145:90 146:607 147:430 148:694 149:682 150:294 151:609 152:538 153:146 154:673 155:761 156:603 157:330 158:431 159:664 160:939 161:639 162:964 163:405 164:654 165:565 166:584 167:618 168:1365 169:182 170:1495 171:98 172:1284 173:861 174:278 175:42 176:832 177:847 178:445 179:666 180:59 181:1638 182:16 183:874 184:502 185:3528 186:1883 187:866 188:812 189:1257 190:4358 191:343 192:4907 193:1982 194:1448 195:1135 196:965 197:775 198:2583 199:3413 200:3110 201:3186 202:1108 203:642 204:2230 205:1854 206:1628 207:1415 208:1425 209:1922 210:336 211:475 212:1041 213:881 214:1073 215:43 216:2520 217:574 218:524 219:24 220:29 221:292 222:33 223:617 End of report