IPv4 R&E Routing Table Report 20:15 GMT Sat 25 Nov, 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: 255471 Prefixes after maximum aggregation (per Origin AS): 113402 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138840 Number of IPv4 prefixes with a valid ROA: 95033 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160395 Total ASes present in the Internet Routing Table: 20722 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 18059 Origin ASes announcing only one prefix: 8044 Transit ASes present in the Internet Routing Table: 2663 Transit-only ASes present in the Internet Routing Table: 655 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: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 439 Number of instances of unregistered ASNs: 439 Number of 32-bit ASNs allocated by the RIRs: 43102 Number of 32-bit ASNs visible in the Routing Table: 7465 Prefixes from 32-bit ASNs in the Routing Table: 26664 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: 137 Number of addresses announced to Internet: 1485393989 Equivalent to 88 /8s, 137 /16s and 80 /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: 86429 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30484 Total APNIC prefixes after maximum aggregation: 7188 APNIC Deaggregation factor: 4.24 Prefixes being announced from the APNIC address blocks: 30015 Unique aggregates announced from the APNIC address blocks: 8217 APNIC Region origin ASes present in the Internet Routing Table: 1177 APNIC Prefixes per ASN: 25.50 APNIC Region origin ASes announcing only one prefix: 472 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: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 509 Number of APNIC addresses announced to Internet: 212742020 Equivalent to 12 /8s, 174 /16s and 47 /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: 118563 Total ARIN prefixes after maximum aggregation: 62113 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118512 Unique aggregates announced from the ARIN address blocks: 69428 ARIN Region origin ASes present in the Internet Routing Table: 9627 ARIN Prefixes per ASN: 12.31 ARIN Region origin ASes announcing only one prefix: 3969 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2043 Number of ARIN addresses announced to Internet: 838883777 Equivalent to 50 /8s, 0 /16s and 89 /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: 55688 Total RIPE prefixes after maximum aggregation: 28264 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 54652 Unique aggregates announced from the RIPE address blocks: 37176 RIPE Region origin ASes present in the Internet Routing Table: 5194 RIPE Prefixes per ASN: 10.52 RIPE Region origin ASes announcing only one prefix: 2230 RIPE Region transit ASes present in the Internet Routing Table: 712 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1968 Number of RIPE addresses announced to Internet: 305196544 Equivalent to 18 /8s, 48 /16s and 238 /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: 41736 Total LACNIC prefixes after maximum aggregation: 13116 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 41142 Unique aggregates announced from the LACNIC address blocks: 19767 LACNIC Region origin ASes present in the Internet Routing Table: 3659 LACNIC Prefixes per ASN: 11.24 LACNIC Region origin ASes announcing only one prefix: 1279 LACNIC Region transit ASes present in the Internet Routing Table: 727 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2832 Number of LACNIC addresses announced to Internet: 87882496 Equivalent to 5 /8s, 60 /16s and 251 /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: 8561 Total AfriNIC prefixes after maximum aggregation: 2416 AfriNIC Deaggregation factor: 3.54 Prefixes being announced from the AfriNIC address blocks: 11013 Unique aggregates announced from the AfriNIC address blocks: 4124 AfriNIC Region origin ASes present in the Internet Routing Table: 247 AfriNIC Prefixes per ASN: 44.59 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 64 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: 113 Number of AfriNIC addresses announced to Internet: 40546560 Equivalent to 2 /8s, 106 /16s and 177 /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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1493 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1415 826 105 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 754 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 675 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 9342 11142 3300 AMAZON-02, US 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3011 3828 1418 DNIC-ASBLK-00306-00371, US 7018 2584 23619 1599 ATT-INTERNET4, US 5650 1957 2744 1317 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1837 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1718 4900 333 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 1533 136 1229 AKAMAI-ASN1, NL 3215 917 4899 290 France Telecom - Orange, FR 8452 905 1841 14 TE-AS TE-AS, EG 61317 892 60 764 ASDETUK www.heficed.com, US 25019 837 1035 152 SAUDINETSTC-AS, SA 58224 748 510 510 TCI, IR 8386 706 108 244 KOCNET, TR 8376 670 54 16 Jordan Data Communications, JO 15897 580 188 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 5834 1671 1005 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1961 277 1261 Telmex Colombia S.A., CO 3816 1302 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1040 2502 52 TIM SA, BR 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 908 147 399 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 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 1180 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 672 520 41 Vodafone-, EG 36992 655 950 344 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 411 35 174 WANANCHI-, KE 29571 388 37 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 245 82 3 KENET-AS, KE 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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9342 11142 3300 AMAZON-02, US 8151 5834 1671 1005 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3011 3828 1418 DNIC-ASBLK-00306-00371, US 7018 2584 23619 1599 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1961 277 1261 Telmex Colombia S.A., CO 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 9342 6042 AMAZON-02, US 8151 5834 4829 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3503 3207 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1837 1614 ATLANTICBB-JOHNSTOWN, US 367 3011 1593 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1493 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1718 1385 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 /10:28 /11:43 /12:124 /13:190 /14:502 /15:999 /16:7429 /17:3492 /18:4045 /19:7854 /20:12179 /21:15380 /22:28567 /23:28859 /24:145480 /25:84 /26:62 /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 3092 5834 UNINET, MX 22773 2562 3503 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1920 9342 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1382 1957 FRONTIER-FRTR, US 10620 1179 1961 Telmex Colombia S.A., CO 7018 1151 2584 ATT-INTERNET4, US 209 969 1718 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 2:529 3:243 4:5 5:1352 6:150 7:5 8:736 11:171 12:1099 13:316 14:104 15:282 16:166 17:6 18:634 20:240 21:4 22:188 23:2331 24:752 25:2 27:25 29:19 31:438 32:39 34:2 35:55 36:1059 37:826 38:1308 39:502 40:60 41:890 42:21 43:204 44:42 45:3401 46:861 47:218 49:14 50:342 51:481 52:1386 54:354 55:876 56:5 57:24 58:34 59:32 60:18 61:71 62:601 63:883 64:2066 65:1141 66:2274 67:958 68:609 69:1208 70:501 71:265 72:704 74:1047 75:433 76:225 77:334 78:560 79:255 80:390 81:360 82:314 83:153 84:351 85:429 86:214 87:275 88:228 89:673 90:92 91:937 92:488 93:945 94:664 95:1244 96:277 97:72 98:539 99:163 100:45 101:26 102:305 103:1176 104:1400 105:67 106:42 107:1375 108:533 109:345 110:37 111:1731 112:469 113:46 114:32 115:18 116:44 117:900 118:62 119:125 120:1071 121:35 122:91 123:78 124:55 125:17 128:461 129:375 130:609 131:1085 132:519 133:263 134:445 135:123 136:408 137:548 138:857 139:531 140:574 141:272 142:790 143:670 144:374 145:89 146:598 147:421 148:668 149:708 150:284 151:549 152:518 153:146 154:660 155:769 156:616 157:318 158:438 159:678 160:666 161:632 162:950 163:404 164:681 165:569 166:580 167:626 168:1418 169:178 170:1552 171:99 172:1310 173:828 174:283 175:41 176:574 177:839 178:408 179:677 180:53 181:1627 182:15 183:877 184:502 185:3529 186:1835 187:886 188:819 189:1296 190:4191 191:309 192:4927 193:1969 194:1457 195:1149 196:925 197:735 198:2596 199:3115 200:3225 201:3211 202:1075 203:640 204:2246 205:1775 206:1640 207:1436 208:1419 209:1941 210:333 211:452 212:1045 213:859 214:1061 215:65 216:2539 217:577 218:521 219:23 220:29 221:289 222:34 223:621 End of report