IPv4 R&E Routing Table Report 20:15 GMT Wed 20 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: 259038 Prefixes after maximum aggregation (per Origin AS): 114556 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 139496 Number of IPv4 prefixes with a valid ROA: 98820 Number of IPv4 prefixes with an invalid ROA: 50 Number of IPv4 prefixes with no ROA: 160168 Total ASes present in the Internet Routing Table: 20801 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 18086 Origin ASes announcing only one prefix: 8063 Transit ASes present in the Internet Routing Table: 2715 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: 377 Number of instances of unregistered ASNs: 377 Number of 32-bit ASNs allocated by the RIRs: 43244 Number of 32-bit ASNs visible in the Routing Table: 7525 Prefixes from 32-bit ASNs in the Routing Table: 27003 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: 129 Number of addresses announced to Internet: 1488032841 Equivalent to 88 /8s, 177 /16s and 148 /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: 88228 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30731 Total APNIC prefixes after maximum aggregation: 7322 APNIC Deaggregation factor: 4.20 Prefixes being announced from the APNIC address blocks: 30333 Unique aggregates announced from the APNIC address blocks: 8430 APNIC Region origin ASes present in the Internet Routing Table: 1203 APNIC Prefixes per ASN: 25.21 APNIC Region origin ASes announcing only one prefix: 493 APNIC Region transit ASes present in the Internet Routing Table: 196 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: 529 Number of APNIC addresses announced to Internet: 212741000 Equivalent to 12 /8s, 174 /16s and 43 /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: 119146 Total ARIN prefixes after maximum aggregation: 62732 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119123 Unique aggregates announced from the ARIN address blocks: 69336 ARIN Region origin ASes present in the Internet Routing Table: 9619 ARIN Prefixes per ASN: 12.38 ARIN Region origin ASes announcing only one prefix: 3948 ARIN Region transit ASes present in the Internet Routing Table: 856 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: 2049 Number of ARIN addresses announced to Internet: 841370817 Equivalent to 50 /8s, 38 /16s and 76 /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: 56418 Total RIPE prefixes after maximum aggregation: 28430 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 55442 Unique aggregates announced from the RIPE address blocks: 37368 RIPE Region origin ASes present in the Internet Routing Table: 5212 RIPE Prefixes per ASN: 10.64 RIPE Region origin ASes announcing only one prefix: 2194 RIPE Region transit ASes present in the Internet Routing Table: 733 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: 303592448 Equivalent to 18 /8s, 24 /16s and 116 /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: 43297 Total LACNIC prefixes after maximum aggregation: 13458 LACNIC Deaggregation factor: 3.22 Prefixes being announced from the LACNIC address blocks: 42583 Unique aggregates announced from the LACNIC address blocks: 20255 LACNIC Region origin ASes present in the Internet Routing Table: 3703 LACNIC Prefixes per ASN: 11.50 LACNIC Region origin ASes announcing only one prefix: 1333 LACNIC Region transit ASes present in the Internet Routing Table: 755 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: 2853 Number of LACNIC addresses announced to Internet: 89458688 Equivalent to 5 /8s, 85 /16s and 8 /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: 9069 Total AfriNIC prefixes after maximum aggregation: 2325 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 11428 Unique aggregates announced from the AfriNIC address blocks: 3982 AfriNIC Region origin ASes present in the Internet Routing Table: 251 AfriNIC Prefixes per ASN: 45.53 AfriNIC Region origin ASes announcing only one prefix: 95 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: 118 Number of AfriNIC addresses announced to Internet: 40730368 Equivalent to 2 /8s, 109 /16s and 127 /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 9588 8733 46 CHINAMOBILE-CN China Mobile Communicati 56047 1508 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1433 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 9455 11199 3359 AMAZON-02, US 22773 3471 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2959 3850 1414 DNIC-ASBLK-00306-00371, US 7018 2521 23623 1569 ATT-INTERNET4, US 5650 1990 2758 1410 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1751 3095 445 CELLCO-PART, US 209 1710 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 1568 139 1246 AKAMAI-ASN1, NL 25019 903 1035 152 SAUDINETSTC-AS, SA 3215 893 4823 300 France Telecom - Orange, FR 8452 807 1841 14 TE-AS TE-AS, EG 61317 800 55 713 ASDETUK www.heficed.com, US 34984 767 91 491 TELLCOM-AS, TR 8376 732 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 1662 1008 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 1164 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 525 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 9588 8733 46 CHINAMOBILE-CN China Mobile Communicati 16509 9455 11199 3359 AMAZON-02, US 8151 5826 1662 1008 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3471 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2959 3850 1414 DNIC-ASBLK-00306-00371, US 7018 2521 23623 1569 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 9455 6096 AMAZON-02, US 8151 5826 4818 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3471 3178 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2959 1545 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1508 1474 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1382 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 /14:501 /15:1001 /16:7420 /17:3483 /18:4032 /19:7917 /20:12343 /21:15539 /22:28821 /23:29252 /24:148040 /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 3066 5826 UNINET, MX 22773 2530 3471 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1943 9455 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 2521 ATT-INTERNET4, US 209 964 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 2:514 3:251 4:5 5:1350 6:150 7:5 8:731 11:171 12:1095 13:317 14:102 15:284 16:167 17:6 18:655 20:244 21:4 22:188 23:2431 24:782 25:2 27:25 29:19 31:446 32:37 34:2 35:56 36:1102 37:919 38:1336 39:504 40:62 41:1050 42:20 43:215 44:41 45:3420 46:891 47:154 49:22 50:344 51:477 52:1388 54:346 55:889 56:5 57:23 58:7 59:32 60:18 61:70 62:594 63:888 64:2090 65:1152 66:2231 67:952 68:581 69:1191 70:483 71:265 72:725 74:1052 75:438 76:243 77:346 78:629 79:241 80:388 81:366 82:291 83:160 84:328 85:531 86:227 87:285 88:222 89:605 90:103 91:984 92:502 93:934 94:677 95:1227 96:280 97:69 98:550 99:163 100:45 101:23 102:309 103:1209 104:1429 105:64 106:42 107:1405 108:530 109:340 110:33 111:1740 112:472 113:59 114:33 115:14 116:46 117:953 118:64 119:150 120:1080 121:42 122:93 123:81 124:57 125:16 128:447 129:378 130:612 131:1083 132:556 133:267 134:448 135:123 136:421 137:538 138:884 139:540 140:576 141:280 142:801 143:658 144:380 145:90 146:606 147:423 148:694 149:697 150:294 151:610 152:539 153:146 154:674 155:759 156:608 157:330 158:432 159:665 160:941 161:640 162:968 163:404 164:652 165:564 166:587 167:616 168:1410 169:185 170:1518 171:98 172:1297 173:858 174:279 175:42 176:834 177:942 178:447 179:729 180:58 181:1691 182:14 183:874 184:502 185:3543 186:1953 187:916 188:822 189:1297 190:4378 191:383 192:4915 193:1988 194:1453 195:1135 196:964 197:757 198:2583 199:3402 200:3204 201:3204 202:1108 203:642 204:2230 205:1858 206:1634 207:1408 208:1439 209:1937 210:336 211:475 212:1045 213:883 214:1075 215:43 216:2523 217:568 218:524 219:24 220:29 221:292 222:33 223:617 End of report