IPv4 R&E Routing Table Report 20:15 GMT Fri 22 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: 258210 Prefixes after maximum aggregation (per Origin AS): 114066 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 139198 Number of IPv4 prefixes with a valid ROA: 98488 Number of IPv4 prefixes with an invalid ROA: 27 Number of IPv4 prefixes with no ROA: 159695 Total ASes present in the Internet Routing Table: 20685 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 17993 Origin ASes announcing only one prefix: 8016 Transit ASes present in the Internet Routing Table: 2692 Transit-only ASes present in the Internet Routing Table: 661 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: 43257 Number of 32-bit ASNs visible in the Routing Table: 7432 Prefixes from 32-bit ASNs in the Routing Table: 26522 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: 1487970921 Equivalent to 88 /8s, 176 /16s and 162 /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: 87790 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30681 Total APNIC prefixes after maximum aggregation: 7252 APNIC Deaggregation factor: 4.23 Prefixes being announced from the APNIC address blocks: 30329 Unique aggregates announced from the APNIC address blocks: 8404 APNIC Region origin ASes present in the Internet Routing Table: 1184 APNIC Prefixes per ASN: 25.62 APNIC Region origin ASes announcing only one prefix: 482 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: 515 Number of APNIC addresses announced to Internet: 214756744 Equivalent to 12 /8s, 204 /16s and 237 /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: 118881 Total ARIN prefixes after maximum aggregation: 62550 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118807 Unique aggregates announced from the ARIN address blocks: 69126 ARIN Region origin ASes present in the Internet Routing Table: 9611 ARIN Prefixes per ASN: 12.36 ARIN Region origin ASes announcing only one prefix: 3949 ARIN Region transit ASes present in the Internet Routing Table: 850 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: 840262625 Equivalent to 50 /8s, 21 /16s and 99 /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: 56303 Total RIPE prefixes after maximum aggregation: 28303 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55334 Unique aggregates announced from the RIPE address blocks: 37278 RIPE Region origin ASes present in the Internet Routing Table: 5204 RIPE Prefixes per ASN: 10.63 RIPE Region origin ASes announcing only one prefix: 2189 RIPE Region transit ASes present in the Internet Routing Table: 731 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: 1978 Number of RIPE addresses announced to Internet: 303385600 Equivalent to 18 /8s, 21 /16s and 76 /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: 42529 Total LACNIC prefixes after maximum aggregation: 13242 LACNIC Deaggregation factor: 3.21 Prefixes being announced from the LACNIC address blocks: 41843 Unique aggregates announced from the LACNIC address blocks: 20016 LACNIC Region origin ASes present in the Internet Routing Table: 3590 LACNIC Prefixes per ASN: 11.66 LACNIC Region origin ASes announcing only one prefix: 1286 LACNIC Region transit ASes present in the Internet Routing Table: 740 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: 2769 Number of LACNIC addresses announced to Internet: 88373248 Equivalent to 5 /8s, 68 /16s and 120 /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: 9441 Total AfriNIC prefixes after maximum aggregation: 2430 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 11771 Unique aggregates announced from the AfriNIC address blocks: 4250 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 41.89 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 130 Number of AfriNIC addresses announced to Internet: 41118720 Equivalent to 2 /8s, 115 /16s and 108 /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 9590 8737 46 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 9394 610 4158 52 CTTNET China TieTong Telecommunications 2907 602 2162 465 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 9458 11199 3343 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3861 1420 DNIC-ASBLK-00306-00371, US 7018 2522 23623 1570 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 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 1526 136 1219 AKAMAI-ASN1, NL 25019 904 1035 152 SAUDINETSTC-AS, SA 3215 893 4823 300 France Telecom - Orange, FR 8452 816 1841 15 TE-AS TE-AS, EG 61317 806 56 719 ASDETUK www.heficed.com, US 34984 768 91 491 TELLCOM-AS, TR 8376 723 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 2005 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 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 1147 388 22 LINKdotNET-AS, EG 24835 1054 457 25 RAYA-AS, EG 29571 802 60 138 ORANGE-COTE-IVOIRE, CI 36935 670 520 41 Vodafone-, EG 36992 655 950 340 ETISALAT-MISR, EG 36914 509 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 9590 8737 46 CHINAMOBILE-CN China Mobile Communicati 16509 9458 11199 3343 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 2971 3861 1420 DNIC-ASBLK-00306-00371, US 7018 2522 23623 1570 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 9458 6115 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 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2971 1551 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1510 1476 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 /12:129 /13:188 /14:500 /15:1001 /16:7437 /17:3480 /18:4031 /19:7914 /20:12375 /21:15500 /22:28702 /23:29067 /24:147515 /25:84 /26:61 /27:72 /28:18 /29:22 /30:13 /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 1944 9458 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 1100 2522 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 2:508 3:251 4:5 5:1359 6:150 7:5 8:731 11:171 12:1098 13:316 14:103 15:285 16:166 17:6 18:658 20:244 21:4 22:188 23:2400 24:781 25:2 27:25 29:19 31:450 32:37 34:2 35:56 36:1101 37:914 38:1343 39:505 40:62 41:1095 42:20 43:211 44:42 45:3327 46:888 47:154 49:22 50:341 51:478 52:1387 54:338 55:886 56:5 57:23 58:7 59:32 60:18 61:70 62:592 63:891 64:2088 65:1153 66:2232 67:953 68:581 69:1186 70:483 71:266 72:698 74:1051 75:438 76:244 77:346 78:628 79:239 80:388 81:377 82:290 83:160 84:328 85:527 86:226 87:284 88:220 89:604 90:103 91:983 92:497 93:932 94:676 95:1221 96:280 97:69 98:548 99:163 100:45 101:28 102:314 103:1174 104:1409 105:64 106:42 107:1401 108:530 109:340 110:33 111:1743 112:472 113:61 114:35 115:14 116:46 117:953 118:64 119:151 120:1079 121:42 122:93 123:81 124:57 125:17 128:449 129:378 130:615 131:1043 132:553 133:265 134:435 135:122 136:422 137:578 138:856 139:534 140:575 141:281 142:800 143:636 144:380 145:90 146:607 147:428 148:695 149:681 150:293 151:609 152:539 153:146 154:664 155:763 156:605 157:326 158:433 159:663 160:939 161:639 162:969 163:422 164:659 165:564 166:577 167:617 168:1370 169:184 170:1491 171:98 172:1286 173:857 174:276 175:42 176:832 177:841 178:446 179:668 180:60 181:1647 182:16 183:875 184:502 185:3534 186:1921 187:887 188:812 189:1259 190:4405 191:345 192:4909 193:2030 194:1450 195:1158 196:982 197:861 198:2581 199:3425 200:3237 201:3190 202:1107 203:642 204:2231 205:1841 206:1625 207:1405 208:1424 209:1918 210:336 211:475 212:1044 213:889 214:1072 215:43 216:2516 217:565 218:524 219:24 220:28 221:292 222:33 223:617 End of report