IPv4 R&E Routing Table Report 20:15 GMT Thu 25 Jan, 2024 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: 190432 Prefixes after maximum aggregation (per Origin AS): 83380 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 104268 Number of IPv4 prefixes with a valid ROA: 72871 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 117538 Total ASes present in the Internet Routing Table: 16252 Prefixes per ASN: 11.72 Origin-only ASes present in the Internet Routing Table: 14085 Origin ASes announcing only one prefix: 6508 Transit ASes present in the Internet Routing Table: 2167 Transit-only ASes present in the Internet Routing Table: 596 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: 27 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 232 Number of instances of unregistered ASNs: 232 Number of 32-bit ASNs allocated by the RIRs: 43463 Number of 32-bit ASNs visible in the Routing Table: 5875 Prefixes from 32-bit ASNs in the Routing Table: 19455 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: 82 Number of addresses announced to Internet: 1080913577 Equivalent to 64 /8s, 109 /16s and 110 /24s Percentage of available address space announced: 29.2 Percentage of allocated address space announced: 29.2 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: 57169 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28909 Total APNIC prefixes after maximum aggregation: 6562 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28622 Unique aggregates announced from the APNIC address blocks: 7709 APNIC Region origin ASes present in the Internet Routing Table: 1063 APNIC Prefixes per ASN: 26.93 APNIC Region origin ASes announcing only one prefix: 442 APNIC Region transit ASes present in the Internet Routing Table: 173 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 457 Number of APNIC addresses announced to Internet: 172832904 Equivalent to 10 /8s, 77 /16s and 56 /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: 83415 Total ARIN prefixes after maximum aggregation: 45875 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82732 Unique aggregates announced from the ARIN address blocks: 51894 ARIN Region origin ASes present in the Internet Routing Table: 7390 ARIN Prefixes per ASN: 11.20 ARIN Region origin ASes announcing only one prefix: 3175 ARIN Region transit ASes present in the Internet Routing Table: 656 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1503 Number of ARIN addresses announced to Internet: 606499297 Equivalent to 36 /8s, 38 /16s and 113 /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: 40046 Total RIPE prefixes after maximum aggregation: 18705 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 40018 Unique aggregates announced from the RIPE address blocks: 25969 RIPE Region origin ASes present in the Internet Routing Table: 3737 RIPE Prefixes per ASN: 10.71 RIPE Region origin ASes announcing only one prefix: 1644 RIPE Region transit ASes present in the Internet Routing Table: 542 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1350 Number of RIPE addresses announced to Internet: 199068992 Equivalent to 11 /8s, 221 /16s and 141 /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: 33093 Total LACNIC prefixes after maximum aggregation: 10339 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 32846 Unique aggregates announced from the LACNIC address blocks: 15783 LACNIC Region origin ASes present in the Internet Routing Table: 3165 LACNIC Prefixes per ASN: 10.38 LACNIC Region origin ASes announcing only one prefix: 1164 LACNIC Region transit ASes present in the Internet Routing Table: 627 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2468 Number of LACNIC addresses announced to Internet: 74193664 Equivalent to 4 /8s, 108 /16s and 27 /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: 4737 Total AfriNIC prefixes after maximum aggregation: 1711 AfriNIC Deaggregation factor: 2.77 Prefixes being announced from the AfriNIC address blocks: 6132 Unique aggregates announced from the AfriNIC address blocks: 2833 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 29.62 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 97 Number of AfriNIC addresses announced to Internet: 28277248 Equivalent to 1 /8s, 175 /16s and 122 /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 9618 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1468 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1441 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1436 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 782 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 446 488 105 CMNET-GUANGDONG-AP China Mobile communi 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 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 9468 11226 3400 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2978 3836 1442 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1505 394 668 DNIC-ASBLK-05800-06055, US 4155 1081 70 884 USDA-1, US 7979 970 64 194 SERVERS-COM, US 855 962 255 83 CANET-ASN-4, CA 16625 916 433 842 AKAMAI-AS, 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1399 119 1129 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 725 60 22 Jordan Data Communications, JO 8452 660 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 433 75 183 CONTABO, DE 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 5234 1526 949 UNINET, MX 11830 1415 324 7 Instituto Costarricense de Electricidad 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 18881 986 1120 28 TELEFONICA BRASIL S.A, BR 11664 575 106 221 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27651 329 62 8 ENTEL CHILE S.A., CL 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 565 276 159 LINKdotNET-AS, EG 36914 485 82 3 KENET-AS, KE 29571 408 30 208 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 305 670 169 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 169 471 43 ORANGE-, TN 327687 162 28 3 RENU, UG 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 9618 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9468 11226 3400 AMAZON-02, US 8151 5234 1526 949 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2978 3836 1442 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1505 394 668 DNIC-ASBLK-05800-06055, US 56047 1468 188 34 CMNET-HUNAN-AP China Mobile communicati 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 9468 6068 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5234 4285 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2978 1536 DNIC-ASBLK-00306-00371, US 56047 1468 1434 CMNET-HUNAN-AP China Mobile communications corp 11830 1415 1408 Instituto Costarricense de Electricidad y Telec 209 1713 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1441 1368 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1436 1329 CMNET-JIANGSU-AP China Mobile communications co 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 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 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 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 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 /8:11 /9:4 /10:14 /11:30 /12:79 /13:135 /14:370 /15:747 /16:5612 /17:2688 /18:2825 /19:5772 /20:9191 /21:11297 /22:20758 /23:20751 /24:109891 /25:79 /26:50 /27:67 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2837 5234 UNINET, MX 16509 1968 9468 AMAZON-02, US 11830 1182 1415 Instituto Costarricense de Electricidad y Telec 209 968 1713 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 670 807 BRSPD-PUBLIC, US 8376 568 725 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:10 2:506 3:255 5:1101 6:150 7:5 8:620 11:171 12:255 13:317 14:102 15:279 16:165 17:6 18:663 20:30 21:4 22:188 23:1840 24:539 25:2 27:15 29:19 31:243 32:2 34:2 35:52 36:1105 37:502 38:830 39:514 40:8 41:653 42:12 43:171 44:35 45:2355 46:601 47:149 49:14 50:299 51:469 52:1365 54:322 55:856 57:18 58:6 59:29 60:19 61:59 62:379 63:477 64:1530 65:822 66:1323 67:740 68:156 69:766 70:157 71:210 72:379 74:769 75:389 76:214 77:244 78:566 79:160 80:214 81:212 82:189 83:92 84:180 85:345 86:151 87:178 88:140 89:314 90:98 91:585 92:390 93:804 94:505 95:1101 96:167 97:36 98:128 99:147 100:41 101:22 102:193 103:931 104:743 105:16 106:2 107:268 108:354 109:239 110:32 111:1741 112:445 113:42 114:30 115:10 116:30 117:950 118:46 119:96 120:1086 121:32 122:86 123:20 124:55 125:12 128:414 129:287 130:501 131:770 132:507 133:263 134:333 135:67 136:368 137:422 138:728 139:459 140:508 141:179 142:756 143:605 144:322 145:87 146:490 147:333 148:585 149:522 150:282 151:542 152:350 153:113 154:463 155:660 156:403 157:236 158:299 159:533 160:545 161:459 162:701 163:272 164:621 165:395 166:127 167:380 168:955 169:148 170:1199 171:59 172:970 173:633 174:113 175:39 176:429 177:726 178:291 179:529 180:43 181:1063 182:10 183:861 184:214 185:2419 186:1013 187:785 188:599 189:1046 190:2992 191:214 192:3742 193:1416 194:912 195:683 196:465 197:660 198:1954 199:2951 200:2908 201:2818 202:899 203:593 204:1786 205:1613 206:1100 207:1089 208:1044 209:1379 210:310 211:458 212:756 213:671 214:1064 215:37 216:1755 217:372 218:517 219:29 220:26 221:292 222:23 223:621 End of report