IPv4 R&E Routing Table Report 20:15 GMT Sun 18 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: 186750 Prefixes after maximum aggregation (per Origin AS): 81593 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102355 Number of IPv4 prefixes with a valid ROA: 72029 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 114699 Total ASes present in the Internet Routing Table: 15530 Prefixes per ASN: 12.03 Origin-only ASes present in the Internet Routing Table: 13452 Origin ASes announcing only one prefix: 6177 Transit ASes present in the Internet Routing Table: 2078 Transit-only ASes present in the Internet Routing Table: 549 Paths with bogon ASNs present in the IPv4 Routing Table: 4 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: 226 Number of instances of unregistered ASNs: 226 Number of 32-bit ASNs allocated by the RIRs: 43680 Number of 32-bit ASNs visible in the Routing Table: 5471 Prefixes from 32-bit ASNs in the Routing Table: 18352 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: 80 Number of addresses announced to Internet: 1069260089 Equivalent to 63 /8s, 187 /16s and 157 /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: 55352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28687 Total APNIC prefixes after maximum aggregation: 6521 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28473 Unique aggregates announced from the APNIC address blocks: 7528 APNIC Region origin ASes present in the Internet Routing Table: 1085 APNIC Prefixes per ASN: 26.24 APNIC Region origin ASes announcing only one prefix: 445 APNIC Region transit ASes present in the Internet Routing Table: 180 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: 464 Number of APNIC addresses announced to Internet: 171002504 Equivalent to 10 /8s, 49 /16s and 74 /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: 81968 Total ARIN prefixes after maximum aggregation: 44853 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80986 Unique aggregates announced from the ARIN address blocks: 50442 ARIN Region origin ASes present in the Internet Routing Table: 7162 ARIN Prefixes per ASN: 11.31 ARIN Region origin ASes announcing only one prefix: 3058 ARIN Region transit ASes present in the Internet Routing Table: 642 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: 1434 Number of ARIN addresses announced to Internet: 605538529 Equivalent to 36 /8s, 23 /16s and 200 /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: 38701 Total RIPE prefixes after maximum aggregation: 18057 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 39058 Unique aggregates announced from the RIPE address blocks: 25385 RIPE Region origin ASes present in the Internet Routing Table: 3504 RIPE Prefixes per ASN: 11.15 RIPE Region origin ASes announcing only one prefix: 1527 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: 1264 Number of RIPE addresses announced to Internet: 189483216 Equivalent to 11 /8s, 75 /16s and 72 /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: 31799 Total LACNIC prefixes after maximum aggregation: 10069 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31584 Unique aggregates announced from the LACNIC address blocks: 15593 LACNIC Region origin ASes present in the Internet Routing Table: 2934 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 1061 LACNIC Region transit ASes present in the Internet Routing Table: 567 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2208 Number of LACNIC addresses announced to Internet: 73587712 Equivalent to 4 /8s, 98 /16s and 220 /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: 5369 Total AfriNIC prefixes after maximum aggregation: 1909 AfriNIC Deaggregation factor: 2.81 Prefixes being announced from the AfriNIC address blocks: 6569 Unique aggregates announced from the AfriNIC address blocks: 3329 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 32.04 AfriNIC Region origin ASes announcing only one prefix: 86 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: 101 Number of AfriNIC addresses announced to Internet: 29601024 Equivalent to 1 /8s, 195 /16s and 173 /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 9637 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1444 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 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 440 180 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 9596 11221 3383 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2900 3676 1406 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1710 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1473 395 651 DNIC-ASBLK-05800-06055, US 4155 1181 77 954 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 930 434 854 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 1374 114 1107 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 718 60 22 Jordan Data Communications, JO 8452 565 1841 11 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 51167 437 79 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 419 61 345 TELLCOM-AS, 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 5366 1553 948 UNINET, MX 3816 1306 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1086 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 222 Techtel LMDS Comunicaciones Interactiva 26599 561 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 479 69 212 Mega Cable, S.A. de C.V., MX 28343 308 58 93 UNIFIQUE TELECOMUNICACOES SA, 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 29571 711 47 288 ORANGE-COTE-IVOIRE, CI 24863 670 285 180 LINKdotNET-AS, EG 36992 563 829 302 ETISALAT-MISR, EG 36914 488 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 36935 267 67 79 Vodafone-, EG 24835 188 158 108 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 162 28 3 RENU, UG 37693 145 595 51 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 9637 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9596 11221 3383 AMAZON-02, US 8151 5366 1553 948 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2900 3676 1406 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1710 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1473 395 651 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 9596 6213 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5366 4418 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2900 1494 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1444 1334 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1108 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 41.77.208.0/22 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 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 /12:76 /13:131 /14:361 /15:739 /16:5551 /17:2694 /18:2770 /19:5677 /20:8941 /21:10946 /22:20314 /23:20575 /24:107652 /25:79 /26:51 /27:73 /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 2927 5366 UNINET, MX 16509 2023 9596 AMAZON-02, US 209 966 1710 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1855 ATLANTICBB-JOHNSTOWN, US 11830 882 1042 Instituto Costarricense de Electricidad y Telec 6147 684 1086 Telefonica del Peru S.A.A., PE 19901 680 818 BRSPD-PUBLIC, US 8376 561 718 Jordan Data Communications, JO 36914 473 488 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:480 3:266 5:1097 6:151 7:5 8:617 11:171 12:255 13:327 14:98 15:280 16:168 17:6 18:680 20:30 21:4 22:188 23:1876 24:392 25:2 27:17 29:19 31:215 32:1 34:2 35:53 36:1109 37:566 38:834 39:523 40:8 41:646 42:15 43:179 44:29 45:2258 46:621 47:148 49:10 50:248 51:475 52:1355 54:297 55:878 57:17 58:6 59:33 60:19 61:62 62:385 63:457 64:1445 65:806 66:1265 67:657 68:143 69:700 70:151 71:196 72:379 74:723 75:392 76:202 77:267 78:551 79:165 80:207 81:187 82:186 83:97 84:195 85:327 86:153 87:151 88:104 89:330 90:97 91:568 92:394 93:796 94:491 95:1103 96:167 97:30 98:129 99:147 100:22 101:25 102:178 103:980 104:686 105:135 106:2 107:226 108:303 109:219 110:26 111:1742 112:451 113:42 114:31 115:11 116:32 117:951 118:45 119:96 120:1088 121:31 122:78 123:20 124:57 125:12 128:406 129:283 130:511 131:771 132:510 133:265 134:326 135:69 136:362 137:432 138:719 139:426 140:576 141:193 142:696 143:601 144:313 145:80 146:497 147:316 148:590 149:499 150:281 151:547 152:354 153:118 154:476 155:656 156:294 157:237 158:314 159:527 160:760 161:455 162:695 163:291 164:588 165:383 166:104 167:371 168:916 169:150 170:1210 171:62 172:890 173:612 174:107 175:37 176:418 177:720 178:268 179:460 180:44 181:959 182:8 183:853 184:207 185:2334 186:1001 187:755 188:543 189:1072 190:2919 191:170 192:3681 193:1336 194:900 195:659 196:437 197:653 198:1898 199:2968 200:2733 201:2596 202:929 203:627 204:1718 205:1640 206:1099 207:1019 208:981 209:1385 210:293 211:445 212:763 213:666 214:1073 215:37 216:1677 217:354 218:515 219:20 220:30 221:292 222:18 223:627 End of report