IPv4 R&E Routing Table Report 20:15 GMT Wed 13 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: 256565 Prefixes after maximum aggregation (per Origin AS): 113821 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138018 Number of IPv4 prefixes with a valid ROA: 96726 Number of IPv4 prefixes with an invalid ROA: 42 Number of IPv4 prefixes with no ROA: 159797 Total ASes present in the Internet Routing Table: 20743 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 18070 Origin ASes announcing only one prefix: 8058 Transit ASes present in the Internet Routing Table: 2673 Transit-only ASes present in the Internet Routing Table: 659 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: 388 Number of instances of unregistered ASNs: 388 Number of 32-bit ASNs allocated by the RIRs: 43228 Number of 32-bit ASNs visible in the Routing Table: 7519 Prefixes from 32-bit ASNs in the Routing Table: 26860 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: 141 Number of addresses announced to Internet: 1485734985 Equivalent to 88 /8s, 142 /16s and 132 /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: 86725 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30678 Total APNIC prefixes after maximum aggregation: 7275 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30310 Unique aggregates announced from the APNIC address blocks: 8439 APNIC Region origin ASes present in the Internet Routing Table: 1200 APNIC Prefixes per ASN: 25.26 APNIC Region origin ASes announcing only one prefix: 494 APNIC Region transit ASes present in the Internet Routing Table: 196 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: 528 Number of APNIC addresses announced to Internet: 213070728 Equivalent to 12 /8s, 179 /16s and 51 /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: 119197 Total ARIN prefixes after maximum aggregation: 62688 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119229 Unique aggregates announced from the ARIN address blocks: 69273 ARIN Region origin ASes present in the Internet Routing Table: 9639 ARIN Prefixes per ASN: 12.37 ARIN Region origin ASes announcing only one prefix: 3961 ARIN Region transit ASes present in the Internet Routing Table: 866 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: 2047 Number of ARIN addresses announced to Internet: 841656769 Equivalent to 50 /8s, 42 /16s and 169 /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: 55554 Total RIPE prefixes after maximum aggregation: 27930 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54405 Unique aggregates announced from the RIPE address blocks: 36519 RIPE Region origin ASes present in the Internet Routing Table: 5152 RIPE Prefixes per ASN: 10.56 RIPE Region origin ASes announcing only one prefix: 2191 RIPE Region transit ASes present in the Internet Routing Table: 704 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: 1973 Number of RIPE addresses announced to Internet: 302575616 Equivalent to 18 /8s, 8 /16s and 240 /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: 42083 Total LACNIC prefixes after maximum aggregation: 13280 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 41395 Unique aggregates announced from the LACNIC address blocks: 19736 LACNIC Region origin ASes present in the Internet Routing Table: 3692 LACNIC Prefixes per ASN: 11.21 LACNIC Region origin ASes announcing only one prefix: 1320 LACNIC Region transit ASes present in the Internet Routing Table: 732 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: 2858 Number of LACNIC addresses announced to Internet: 87504384 Equivalent to 5 /8s, 55 /16s and 54 /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: 8665 Total AfriNIC prefixes after maximum aggregation: 2354 AfriNIC Deaggregation factor: 3.68 Prefixes being announced from the AfriNIC address blocks: 11085 Unique aggregates announced from the AfriNIC address blocks: 3917 AfriNIC Region origin ASes present in the Internet Routing Table: 246 AfriNIC Prefixes per ASN: 45.06 AfriNIC Region origin ASes announcing only one prefix: 92 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: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 113 Number of AfriNIC addresses announced to Internet: 40754176 Equivalent to 2 /8s, 109 /16s and 220 /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 9557 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1505 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1417 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 749 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 663 4270 56 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 9385 11176 3383 AMAZON-02, US 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2957 3822 1416 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1735 3036 445 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 4434 262 59 ALJAWWALSTC-AS, SA 20940 1618 142 1280 AKAMAI-ASN1, NL 8452 903 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 869 1035 152 SAUDINETSTC-AS, SA 61317 846 58 757 ASDETUK www.heficed.com, US 34984 787 93 499 TELLCOM-AS, TR 8376 711 59 22 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 5491 1519 993 UNINET, MX 10620 2165 307 1310 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 911 150 398 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 1183 388 22 LINKdotNET-AS, EG 24835 1019 457 25 RAYA-AS, EG 36992 672 992 338 ETISALAT-MISR, EG 36935 653 520 41 Vodafone-, EG 36914 532 82 3 KENET-AS, KE 15399 424 36 169 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 382 36 159 ORANGE-COTE-IVOIRE, CI 2018 373 319 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 9557 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9385 11176 3383 AMAZON-02, US 8151 5491 1519 993 UNINET, MX 39891 4434 262 59 ALJAWWALSTC-AS, SA 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2957 3822 1416 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 10620 2165 307 1310 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 9385 6002 AMAZON-02, US 8151 5491 4498 UNINET, MX 39891 4434 4375 ALJAWWALSTC-AS, SA 22773 3499 3204 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1844 1623 ATLANTICBB-JOHNSTOWN, US 18566 1855 1543 MEGAPATH5-, US 367 2957 1541 DNIC-ASBLK-00306-00371, US 56047 1505 1471 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, 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 /9:8 /10:29 /11:45 /12:127 /13:188 /14:500 /15:1000 /16:7424 /17:3488 /18:4032 /19:7841 /20:12265 /21:15368 /22:28694 /23:28893 /24:146373 /25:84 /26:61 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3252 4434 ALJAWWALSTC-AS, SA 8151 2866 5491 UNINET, MX 22773 2557 3499 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1929 9385 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1299 2165 Telmex Colombia S.A., CO 7018 1126 2575 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) ---------------------------------------------- 1:14 2:522 3:248 4:5 5:1309 6:151 7:5 8:734 11:171 12:1093 13:309 14:102 15:282 16:167 17:6 18:654 20:240 21:4 22:188 23:2479 24:778 25:2 27:25 29:19 31:422 32:37 34:2 35:54 36:1065 37:881 38:1339 39:503 40:60 41:992 42:20 43:214 44:42 45:3401 46:856 47:154 49:22 50:337 51:413 52:1386 54:348 55:885 56:5 57:23 58:7 59:32 60:18 61:71 62:589 63:887 64:2083 65:1158 66:2262 67:957 68:596 69:1265 70:494 71:264 72:699 74:1049 75:437 76:242 77:277 78:605 79:254 80:383 81:338 82:328 83:161 84:363 85:424 86:213 87:298 88:225 89:600 90:99 91:935 92:508 93:933 94:681 95:1219 96:279 97:70 98:548 99:164 100:45 101:27 102:283 103:1204 104:1416 105:69 106:42 107:1388 108:530 109:334 110:34 111:1733 112:471 113:59 114:33 115:18 116:46 117:951 118:64 119:151 120:1080 121:41 122:98 123:81 124:57 125:16 128:447 129:378 130:610 131:1098 132:552 133:267 134:446 135:120 136:410 137:546 138:889 139:550 140:578 141:272 142:786 143:667 144:377 145:90 146:592 147:420 148:688 149:695 150:293 151:583 152:530 153:146 154:642 155:764 156:625 157:325 158:439 159:656 160:663 161:633 162:973 163:406 164:665 165:572 166:584 167:621 168:1373 169:182 170:1508 171:99 172:1289 173:865 174:275 175:42 176:839 177:883 178:393 179:670 180:58 181:1641 182:14 183:878 184:514 185:3436 186:1891 187:827 188:721 189:1358 190:4303 191:355 192:4936 193:1976 194:1431 195:1143 196:917 197:767 198:2614 199:3319 200:3196 201:3076 202:1110 203:644 204:2243 205:1850 206:1642 207:1414 208:1427 209:1950 210:336 211:475 212:1032 213:848 214:1075 215:43 216:2551 217:576 218:525 219:24 220:28 221:289 222:33 223:617 End of report