IPv4 R&E Routing Table Report 20:15 GMT Tue 06 Feb, 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: 188706 Prefixes after maximum aggregation (per Origin AS): 82725 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103832 Number of IPv4 prefixes with a valid ROA: 72349 Number of IPv4 prefixes with an invalid ROA: 35 Number of IPv4 prefixes with no ROA: 116322 Total ASes present in the Internet Routing Table: 16036 Prefixes per ASN: 11.77 Origin-only ASes present in the Internet Routing Table: 13896 Origin ASes announcing only one prefix: 6360 Transit ASes present in the Internet Routing Table: 2140 Transit-only ASes present in the Internet Routing Table: 583 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: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 235 Number of instances of unregistered ASNs: 235 Number of 32-bit ASNs allocated by the RIRs: 43576 Number of 32-bit ASNs visible in the Routing Table: 5739 Prefixes from 32-bit ASNs in the Routing Table: 19286 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: 1071110457 Equivalent to 63 /8s, 215 /16s and 217 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 56322 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28944 Total APNIC prefixes after maximum aggregation: 6562 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28658 Unique aggregates announced from the APNIC address blocks: 7750 APNIC Region origin ASes present in the Internet Routing Table: 1044 APNIC Prefixes per ASN: 27.45 APNIC Region origin ASes announcing only one prefix: 418 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 441 Number of APNIC addresses announced to Internet: 172654728 Equivalent to 10 /8s, 74 /16s and 128 /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: 83090 Total ARIN prefixes after maximum aggregation: 45575 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82453 Unique aggregates announced from the ARIN address blocks: 51719 ARIN Region origin ASes present in the Internet Routing Table: 7378 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3160 ARIN Region transit ASes present in the Internet Routing Table: 658 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: 1495 Number of ARIN addresses announced to Internet: 606360801 Equivalent to 36 /8s, 36 /16s and 84 /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: 39282 Total RIPE prefixes after maximum aggregation: 18306 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39248 Unique aggregates announced from the RIPE address blocks: 25495 RIPE Region origin ASes present in the Internet Routing Table: 3602 RIPE Prefixes per ASN: 10.90 RIPE Region origin ASes announcing only one prefix: 1575 RIPE Region transit ASes present in the Internet Routing Table: 533 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1301 Number of RIPE addresses announced to Internet: 189683152 Equivalent to 11 /8s, 78 /16s and 85 /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: 32446 Total LACNIC prefixes after maximum aggregation: 10299 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 32192 Unique aggregates announced from the LACNIC address blocks: 15792 LACNIC Region origin ASes present in the Internet Routing Table: 3132 LACNIC Prefixes per ASN: 10.28 LACNIC Region origin ASes announcing only one prefix: 1126 LACNIC Region transit ASes present in the Internet Routing Table: 615 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: 2408 Number of LACNIC addresses announced to Internet: 73619456 Equivalent to 4 /8s, 99 /16s and 88 /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: 4709 Total AfriNIC prefixes after maximum aggregation: 1793 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 6073 Unique aggregates announced from the AfriNIC address blocks: 2996 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 29.92 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 94 Number of AfriNIC addresses announced to Internet: 28743680 Equivalent to 1 /8s, 182 /16s and 152 /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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 437 488 105 CMNET-GUANGDONG-AP China Mobile communi 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 9608 11219 3389 AMAZON-02, US 749 3185 54927 2437 DNIC-AS-00749, US 367 2932 3727 1426 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1477 395 656 DNIC-ASBLK-05800-06055, US 4155 1132 74 920 USDA-1, US 7979 979 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 925 436 851 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 1367 116 1112 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 631 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 435 77 184 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 5248 1529 960 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 987 1120 28 TELEFONICA BRASIL S.A, BR 11664 586 108 221 Techtel LMDS Comunicaciones Interactiva 26599 549 2941 45 TELEFONICA BRASIL S.A, BR 10620 513 69 429 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27775 297 15 9 Telecommunicationcompany Suriname - Tel 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 523 272 155 LINKdotNET-AS, EG 36914 489 82 3 KENET-AS, KE 36992 488 772 269 ETISALAT-MISR, EG 29571 413 30 213 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 24835 204 164 112 RAYA-AS, EG 37492 170 471 44 ORANGE-, TN 327687 163 28 3 RENU, UG 37480 141 9 23 Cobranet, NG 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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9608 11219 3389 AMAZON-02, US 8151 5248 1529 960 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3185 54927 2437 DNIC-AS-00749, US 367 2932 3727 1426 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1477 395 656 DNIC-ASBLK-05800-06055, US 56047 1469 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 9608 6219 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5248 4288 UNINET, MX 11776 1854 1632 ATLANTICBB-JOHNSTOWN, US 367 2932 1506 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1709 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1109 COLOMBIA TELECOMUNICACIONES S.A. ESP, 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 /11:29 /12:77 /13:130 /14:361 /15:738 /16:5557 /17:2662 /18:2752 /19:5709 /20:9028 /21:11251 /22:20509 /23:20794 /24:108816 /25:79 /26:51 /27:72 /28:19 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2846 5248 UNINET, MX 16509 2018 9608 AMAZON-02, US 209 965 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1854 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 676 813 BRSPD-PUBLIC, US 8376 569 720 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) ---------------------------------------------- 1:8 2:479 3:264 5:1105 6:151 7:5 8:619 11:171 12:254 13:322 14:101 15:280 16:168 17:6 18:674 20:32 21:4 22:188 23:1863 24:538 25:2 27:16 29:19 31:236 32:2 34:2 35:53 36:1110 37:509 38:853 39:523 40:8 41:623 42:14 43:173 44:30 45:2341 46:606 47:148 49:10 50:261 51:468 52:1366 54:300 55:885 57:18 58:5 59:31 60:19 61:61 62:369 63:479 64:1535 65:818 66:1316 67:713 68:153 69:746 70:154 71:194 72:381 74:762 75:392 76:207 77:271 78:566 79:166 80:220 81:211 82:170 83:96 84:186 85:367 86:154 87:159 88:136 89:326 90:97 91:568 92:396 93:798 94:484 95:1127 96:171 97:35 98:132 99:147 100:42 101:25 102:184 103:937 104:710 105:16 106:2 107:298 108:323 109:230 110:30 111:1742 112:445 113:40 114:31 115:10 116:34 117:951 118:45 119:98 120:1088 121:31 122:85 123:20 124:55 125:11 128:412 129:286 130:507 131:772 132:505 133:264 134:333 135:69 136:366 137:445 138:710 139:439 140:530 141:194 142:723 143:615 144:323 145:77 146:487 147:329 148:590 149:510 150:278 151:548 152:355 153:113 154:454 155:659 156:366 157:234 158:320 159:522 160:534 161:455 162:686 163:285 164:598 165:390 166:125 167:391 168:971 169:150 170:1219 171:60 172:965 173:631 174:108 175:37 176:421 177:738 178:279 179:498 180:46 181:959 182:8 183:853 184:212 185:2369 186:1011 187:749 188:534 189:1033 190:2980 191:214 192:3743 193:1342 194:895 195:667 196:444 197:640 198:1949 199:2967 200:2731 201:2595 202:891 203:593 204:1760 205:1616 206:1097 207:1087 208:998 209:1389 210:306 211:445 212:790 213:721 214:1067 215:37 216:1714 217:369 218:515 219:29 220:30 221:292 222:23 223:621 End of report