IPv4 R&E Routing Table Report 20:15 GMT Mon 11 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: 256777 Prefixes after maximum aggregation (per Origin AS): 113286 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 138186 Number of IPv4 prefixes with a valid ROA: 96683 Number of IPv4 prefixes with an invalid ROA: 41 Number of IPv4 prefixes with no ROA: 160053 Total ASes present in the Internet Routing Table: 20705 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 18027 Origin ASes announcing only one prefix: 8053 Transit ASes present in the Internet Routing Table: 2678 Transit-only ASes present in the Internet Routing Table: 663 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 421 Number of instances of unregistered ASNs: 421 Number of 32-bit ASNs allocated by the RIRs: 43222 Number of 32-bit ASNs visible in the Routing Table: 7462 Prefixes from 32-bit ASNs in the Routing Table: 26557 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: 133 Number of addresses announced to Internet: 1486002505 Equivalent to 88 /8s, 146 /16s and 153 /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: 86967 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30670 Total APNIC prefixes after maximum aggregation: 7275 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30266 Unique aggregates announced from the APNIC address blocks: 8399 APNIC Region origin ASes present in the Internet Routing Table: 1205 APNIC Prefixes per ASN: 25.12 APNIC Region origin ASes announcing only one prefix: 495 APNIC Region transit ASes present in the Internet Routing Table: 199 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: 531 Number of APNIC addresses announced to Internet: 213045896 Equivalent to 12 /8s, 178 /16s and 210 /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: 119079 Total ARIN prefixes after maximum aggregation: 62519 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118978 Unique aggregates announced from the ARIN address blocks: 69117 ARIN Region origin ASes present in the Internet Routing Table: 9651 ARIN Prefixes per ASN: 12.33 ARIN Region origin ASes announcing only one prefix: 3964 ARIN Region transit ASes present in the Internet Routing Table: 864 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: 2048 Number of ARIN addresses announced to Internet: 841580225 Equivalent to 50 /8s, 41 /16s and 126 /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: 55296 Total RIPE prefixes after maximum aggregation: 27632 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 54333 Unique aggregates announced from the RIPE address blocks: 36406 RIPE Region origin ASes present in the Internet Routing Table: 5139 RIPE Prefixes per ASN: 10.57 RIPE Region origin ASes announcing only one prefix: 2198 RIPE Region transit ASes present in the Internet Routing Table: 702 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: 1961 Number of RIPE addresses announced to Internet: 302129664 Equivalent to 18 /8s, 2 /16s and 34 /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: 42483 Total LACNIC prefixes after maximum aggregation: 13211 LACNIC Deaggregation factor: 3.22 Prefixes being announced from the LACNIC address blocks: 41834 Unique aggregates announced from the LACNIC address blocks: 20122 LACNIC Region origin ASes present in the Internet Routing Table: 3646 LACNIC Prefixes per ASN: 11.47 LACNIC Region origin ASes announcing only one prefix: 1306 LACNIC Region transit ASes present in the Internet Routing Table: 731 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: 2807 Number of LACNIC addresses announced to Internet: 88333056 Equivalent to 5 /8s, 67 /16s and 219 /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: 8828 Total AfriNIC prefixes after maximum aggregation: 2360 AfriNIC Deaggregation factor: 3.74 Prefixes being announced from the AfriNIC address blocks: 11233 Unique aggregates announced from the AfriNIC address blocks: 4016 AfriNIC Region origin ASes present in the Internet Routing Table: 247 AfriNIC Prefixes per ASN: 45.48 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 115 Number of AfriNIC addresses announced to Internet: 40773120 Equivalent to 2 /8s, 110 /16s and 38 /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 9557 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 1417 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 752 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 652 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 9404 11176 3367 AMAZON-02, US 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2979 3840 1420 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1733 3034 443 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 1581 140 1254 AKAMAI-ASN1, NL 8452 904 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 872 1035 152 SAUDINETSTC-AS, SA 61317 847 58 758 ASDETUK www.heficed.com, US 34984 829 107 526 TELLCOM-AS, TR 8376 739 60 22 Jordan Data Communications, JO 8386 707 109 242 KOCNET, TR 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 5874 1672 1007 UNINET, MX 10620 2165 307 1310 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1045 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 928 152 402 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 19429 611 217 24 ETB - Colombia, CO 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 1174 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 988 337 ETISALAT-MISR, EG 36914 521 82 3 KENET-AS, KE 15399 424 36 169 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 383 36 160 ORANGE-COTE-IVOIRE, CI 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 9557 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9404 11176 3367 AMAZON-02, US 8151 5874 1672 1007 UNINET, MX 39891 4502 267 55 ALJAWWALSTC-AS, SA 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2979 3840 1420 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 10620 2165 307 1310 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 9404 6037 AMAZON-02, US 8151 5874 4867 UNINET, MX 39891 4502 4447 ALJAWWALSTC-AS, SA 22773 3499 3204 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1844 1623 ATLANTICBB-JOHNSTOWN, US 367 2979 1559 DNIC-ASBLK-00306-00371, US 18566 1855 1543 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 /14:500 /15:1005 /16:7430 /17:3489 /18:4031 /19:7859 /20:12329 /21:15465 /22:28638 /23:29040 /24:146303 /25:85 /26:61 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3256 4502 ALJAWWALSTC-AS, SA 8151 3114 5874 UNINET, MX 22773 2557 3499 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1932 9404 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1299 2165 Telmex Colombia S.A., CO 7018 1126 2575 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) ---------------------------------------------- 1:14 2:526 3:247 4:5 5:1295 6:149 7:5 8:729 11:171 12:1094 13:310 14:100 15:282 16:167 17:6 18:654 20:232 21:4 22:188 23:2393 24:711 25:2 27:25 29:19 31:435 32:37 34:2 35:56 36:1063 37:912 38:1357 39:503 40:61 41:1028 42:20 43:209 44:42 45:3361 46:866 47:154 49:22 50:351 51:477 52:1387 54:353 55:802 56:5 57:24 58:7 59:32 60:18 61:71 62:586 63:888 64:2088 65:1156 66:2270 67:955 68:609 69:1232 70:495 71:263 72:691 74:1059 75:436 76:226 77:270 78:603 79:256 80:384 81:340 82:317 83:160 84:364 85:419 86:215 87:298 88:225 89:592 90:103 91:931 92:510 93:932 94:670 95:1222 96:283 97:70 98:547 99:162 100:45 101:28 102:267 103:1199 104:1414 105:65 106:42 107:1368 108:531 109:330 110:34 111:1734 112:472 113:48 114:33 115:18 116:47 117:953 118:64 119:151 120:1081 121:41 122:96 123:81 124:57 125:16 128:452 129:377 130:610 131:1090 132:559 133:267 134:443 135:120 136:416 137:540 138:896 139:543 140:580 141:272 142:785 143:666 144:378 145:90 146:586 147:386 148:705 149:684 150:292 151:582 152:517 153:146 154:624 155:772 156:624 157:325 158:439 159:658 160:662 161:636 162:980 163:402 164:660 165:573 166:583 167:624 168:1399 169:184 170:1507 171:99 172:1346 173:853 174:283 175:41 176:834 177:880 178:395 179:669 180:52 181:1642 182:15 183:879 184:505 185:3399 186:1870 187:850 188:729 189:1338 190:4306 191:346 192:4938 193:1963 194:1434 195:1131 196:927 197:862 198:2617 199:3294 200:3197 201:3228 202:1110 203:646 204:2240 205:1844 206:1672 207:1408 208:1432 209:1941 210:337 211:475 212:1034 213:843 214:1071 215:58 216:2522 217:575 218:523 219:24 220:29 221:287 222:33 223:618 End of report