IPv4 R&E Routing Table Report 20:15 GMT Tue 05 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: 257387 Prefixes after maximum aggregation (per Origin AS): 113802 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138607 Number of IPv4 prefixes with a valid ROA: 96781 Number of IPv4 prefixes with an invalid ROA: 50 Number of IPv4 prefixes with no ROA: 160556 Total ASes present in the Internet Routing Table: 20750 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 18082 Origin ASes announcing only one prefix: 8092 Transit ASes present in the Internet Routing Table: 2668 Transit-only ASes present in the Internet Routing Table: 663 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 426 Number of instances of unregistered ASNs: 426 Number of 32-bit ASNs allocated by the RIRs: 43154 Number of 32-bit ASNs visible in the Routing Table: 7458 Prefixes from 32-bit ASNs in the Routing Table: 26631 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 135 Number of addresses announced to Internet: 1488443465 Equivalent to 88 /8s, 183 /16s and 216 /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: 87356 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30697 Total APNIC prefixes after maximum aggregation: 7293 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30254 Unique aggregates announced from the APNIC address blocks: 8394 APNIC Region origin ASes present in the Internet Routing Table: 1205 APNIC Prefixes per ASN: 25.11 APNIC Region origin ASes announcing only one prefix: 492 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: 527 Number of APNIC addresses announced to Internet: 213195144 Equivalent to 12 /8s, 181 /16s and 25 /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: 118995 Total ARIN prefixes after maximum aggregation: 62446 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 119019 Unique aggregates announced from the ARIN address blocks: 68955 ARIN Region origin ASes present in the Internet Routing Table: 9634 ARIN Prefixes per ASN: 12.35 ARIN Region origin ASes announcing only one prefix: 3959 ARIN Region transit ASes present in the Internet Routing Table: 860 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: 2038 Number of ARIN addresses announced to Internet: 842063041 Equivalent to 50 /8s, 48 /16s and 220 /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: 56474 Total RIPE prefixes after maximum aggregation: 28262 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 55431 Unique aggregates announced from the RIPE address blocks: 37388 RIPE Region origin ASes present in the Internet Routing Table: 5207 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 2232 RIPE Region transit ASes present in the Internet Routing Table: 710 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: 1970 Number of RIPE addresses announced to Internet: 304153344 Equivalent to 18 /8s, 33 /16s and 3 /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: 41972 Total LACNIC prefixes after maximum aggregation: 13107 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41349 Unique aggregates announced from the LACNIC address blocks: 19737 LACNIC Region origin ASes present in the Internet Routing Table: 3638 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 1317 LACNIC Region transit ASes present in the Internet Routing Table: 732 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: 2812 Number of LACNIC addresses announced to Internet: 88369920 Equivalent to 5 /8s, 68 /16s and 107 /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: 8823 Total AfriNIC prefixes after maximum aggregation: 2402 AfriNIC Deaggregation factor: 3.67 Prefixes being announced from the AfriNIC address blocks: 11199 Unique aggregates announced from the AfriNIC address blocks: 4006 AfriNIC Region origin ASes present in the Internet Routing Table: 246 AfriNIC Prefixes per ASN: 45.52 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: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 111 Number of AfriNIC addresses announced to Internet: 40520192 Equivalent to 2 /8s, 106 /16s and 74 /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 9560 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 1416 834 106 CMNET-JIANGSU-AP China Mobile communica 24547 766 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 739 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 9374 11175 3338 AMAZON-02, US 22773 3501 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 3009 3845 1429 DNIC-ASBLK-00306-00371, US 7018 2548 23609 1589 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1842 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1740 3064 430 CELLCO-PART, US 209 1713 4899 329 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 4502 267 55 ALJAWWALSTC-AS, SA 20940 1643 144 1287 AKAMAI-ASN1, NL 58224 1036 649 629 TCI, IR 3215 919 4899 293 France Telecom - Orange, FR 61317 896 60 770 ASDETUK www.heficed.com, US 25019 872 1035 152 SAUDINETSTC-AS, SA 8452 863 1841 14 TE-AS TE-AS, EG 34984 819 106 517 TELLCOM-AS, TR 8376 734 60 22 Jordan Data Communications, JO 8386 707 109 242 KOCNET, 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 5867 1671 1013 UNINET, MX 11830 2000 369 64 Instituto Costarricense de Electricidad 10620 1874 265 1235 Telmex Colombia S.A., CO 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 912 147 400 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 1263 388 22 LINKdotNET-AS, EG 24835 1032 457 25 RAYA-AS, EG 36992 682 1012 336 ETISALAT-MISR, EG 36935 673 520 41 Vodafone-, EG 36914 510 82 3 KENET-AS, KE 36903 415 192 302 MT-MPLS, MA 15399 412 36 178 WANANCHI-, KE 29571 388 36 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 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 9560 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9374 11175 3338 AMAZON-02, US 8151 5867 1671 1013 UNINET, MX 39891 4502 267 55 ALJAWWALSTC-AS, SA 22773 3501 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 3009 3845 1429 DNIC-ASBLK-00306-00371, US 7018 2548 23609 1589 ATT-INTERNET4, US 11830 2000 369 64 Instituto Costarricense de Electricidad 5650 1891 2744 1316 FRONTIER-FRTR, US 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 9374 6036 AMAZON-02, US 8151 5867 4854 UNINET, MX 39891 4502 4447 ALJAWWALSTC-AS, SA 22773 3501 3206 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2000 1936 Instituto Costarricense de Electricidad y Telec 11776 1842 1621 ATLANTICBB-JOHNSTOWN, US 367 3009 1580 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1505 1471 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1384 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 /14:499 /15:1001 /16:7442 /17:3492 /18:4059 /19:7885 /20:12300 /21:15526 /22:28875 /23:29066 /24:146552 /25:84 /26:62 /27:72 /28:18 /29:22 /30:16 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3256 4502 ALJAWWALSTC-AS, SA 8151 3109 5867 UNINET, MX 22773 2560 3501 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1920 9374 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1698 2000 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1127 1874 Telmex Colombia S.A., CO 7018 1119 2548 ATT-INTERNET4, US 209 967 1713 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) ---------------------------------------------- 1:13 2:535 3:247 4:5 5:1337 6:149 7:5 8:728 11:171 12:1093 13:312 14:101 15:283 16:167 17:6 18:650 20:219 21:4 22:188 23:2442 24:759 25:2 27:25 29:19 31:443 32:37 34:2 35:56 36:1062 37:955 38:1328 39:502 40:61 41:1000 42:20 43:202 44:42 45:3365 46:864 47:155 49:20 50:334 51:479 52:1380 54:354 55:867 56:5 57:24 58:7 59:33 60:18 61:70 62:599 63:884 64:2073 65:1151 66:2280 67:957 68:641 69:1277 70:497 71:265 72:697 74:1052 75:433 76:225 77:273 78:570 79:254 80:410 81:362 82:318 83:159 84:369 85:441 86:215 87:299 88:227 89:645 90:104 91:952 92:497 93:940 94:650 95:1249 96:281 97:70 98:546 99:162 100:45 101:27 102:293 103:1203 104:1420 105:68 106:42 107:1375 108:529 109:343 110:35 111:1736 112:472 113:48 114:33 115:18 116:46 117:955 118:64 119:124 120:1081 121:42 122:93 123:81 124:57 125:15 128:452 129:375 130:612 131:1098 132:555 133:267 134:460 135:124 136:416 137:545 138:889 139:539 140:579 141:274 142:783 143:668 144:376 145:90 146:597 147:421 148:691 149:708 150:293 151:602 152:527 153:146 154:645 155:764 156:619 157:322 158:466 159:669 160:662 161:633 162:956 163:402 164:666 165:569 166:587 167:620 168:1405 169:184 170:1547 171:97 172:1319 173:836 174:280 175:48 176:828 177:874 178:400 179:673 180:50 181:1586 182:15 183:879 184:505 185:3448 186:1848 187:854 188:739 189:1324 190:4236 191:331 192:4928 193:1969 194:1460 195:1147 196:910 197:790 198:2603 199:3217 200:3198 201:3194 202:1108 203:635 204:2255 205:1845 206:1638 207:1420 208:1436 209:1933 210:334 211:475 212:1037 213:855 214:1075 215:57 216:2525 217:610 218:521 219:23 220:28 221:287 222:33 223:619 End of report