IPv4 R&E Routing Table Report 20:15 GMT Mon 19 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: 187026 Prefixes after maximum aggregation (per Origin AS): 81658 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102334 Number of IPv4 prefixes with a valid ROA: 72162 Number of IPv4 prefixes with an invalid ROA: 25 Number of IPv4 prefixes with no ROA: 114839 Total ASes present in the Internet Routing Table: 15512 Prefixes per ASN: 12.06 Origin-only ASes present in the Internet Routing Table: 13441 Origin ASes announcing only one prefix: 6169 Transit ASes present in the Internet Routing Table: 2071 Transit-only ASes present in the Internet Routing Table: 542 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: 222 Number of instances of unregistered ASNs: 222 Number of 32-bit ASNs allocated by the RIRs: 43680 Number of 32-bit ASNs visible in the Routing Table: 5468 Prefixes from 32-bit ASNs in the Routing Table: 18456 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: 1069627193 Equivalent to 63 /8s, 193 /16s and 55 /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: 55607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28608 Total APNIC prefixes after maximum aggregation: 6458 APNIC Deaggregation factor: 4.43 Prefixes being announced from the APNIC address blocks: 28408 Unique aggregates announced from the APNIC address blocks: 7474 APNIC Region origin ASes present in the Internet Routing Table: 1064 APNIC Prefixes per ASN: 26.70 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 179 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: 450 Number of APNIC addresses announced to Internet: 171087496 Equivalent to 10 /8s, 50 /16s and 150 /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: 81896 Total ARIN prefixes after maximum aggregation: 44833 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80904 Unique aggregates announced from the ARIN address blocks: 50360 ARIN Region origin ASes present in the Internet Routing Table: 7157 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3057 ARIN Region transit ASes present in the Internet Routing Table: 643 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: 605428705 Equivalent to 36 /8s, 22 /16s and 27 /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: 38772 Total RIPE prefixes after maximum aggregation: 18092 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 39119 Unique aggregates announced from the RIPE address blocks: 25385 RIPE Region origin ASes present in the Internet Routing Table: 3504 RIPE Prefixes per ASN: 11.16 RIPE Region origin ASes announcing only one prefix: 1529 RIPE Region transit ASes present in the Internet Routing Table: 528 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: 1266 Number of RIPE addresses announced to Internet: 189782992 Equivalent to 11 /8s, 79 /16s and 219 /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: 32149 Total LACNIC prefixes after maximum aggregation: 10180 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31934 Unique aggregates announced from the LACNIC address blocks: 15713 LACNIC Region origin ASes present in the Internet Routing Table: 2952 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 1060 LACNIC Region transit ASes present in the Internet Routing Table: 569 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: 2218 Number of LACNIC addresses announced to Internet: 73702144 Equivalent to 4 /8s, 100 /16s and 155 /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: 5379 Total AfriNIC prefixes after maximum aggregation: 1912 AfriNIC Deaggregation factor: 2.81 Prefixes being announced from the AfriNIC address blocks: 6581 Unique aggregates announced from the AfriNIC address blocks: 3324 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 32.42 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 60 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: 100 Number of AfriNIC addresses announced to Internet: 29578752 Equivalent to 1 /8s, 195 /16s and 86 /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 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 438 488 106 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 9580 11218 3376 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2908 3678 1409 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1710 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1469 394 648 DNIC-ASBLK-05800-06055, US 4155 1180 77 953 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 929 433 854 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 1375 114 1108 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 568 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 5368 1553 949 UNINET, MX 3816 1307 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 990 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 713 47 290 ORANGE-COTE-IVOIRE, CI 24863 674 285 179 LINKdotNET-AS, EG 36992 560 829 302 ETISALAT-MISR, EG 36914 491 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 160 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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9580 11218 3376 AMAZON-02, US 8151 5368 1553 949 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2908 3678 1409 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1710 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1469 394 648 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 9580 6204 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5368 4419 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2908 1499 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 1307 1114 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 /16:5553 /17:2694 /18:2780 /19:5693 /20:8999 /21:10959 /22:20324 /23:20597 /24:107792 /25:83 /26:52 /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 2929 5368 UNINET, MX 16509 2029 9580 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 686 1088 Telefonica del Peru S.A.A., PE 19901 680 818 BRSPD-PUBLIC, US 8376 561 718 Jordan Data Communications, JO 36914 476 491 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 3:264 5:1096 6:151 7:5 8:616 11:171 12:254 13:320 14:100 15:280 16:168 17:6 18:680 20:30 21:4 22:188 23:1873 24:392 25:2 27:18 29:19 31:215 32:1 34:2 35:53 36:1109 37:565 38:831 39:523 40:8 41:644 42:15 43:175 44:29 45:2259 46:620 47:148 49:10 50:246 51:475 52:1355 54:297 55:878 57:18 58:6 59:34 60:19 61:62 62:378 63:457 64:1443 65:806 66:1266 67:661 68:144 69:703 70:151 71:195 72:365 74:723 75:392 76:202 77:267 78:551 79:166 80:207 81:184 82:184 83:94 84:193 85:328 86:154 87:151 88:103 89:329 90:97 91:565 92:395 93:810 94:493 95:1103 96:167 97:30 98:129 99:147 100:22 101:28 102:181 103:956 104:685 105:135 106:2 107:226 108:303 109:216 110:28 111:1743 112:446 113:40 114:32 115:10 116:32 117:951 118:45 119:94 120:1088 121:31 122:78 123:20 124:57 125:12 128:408 129:282 130:508 131:779 132:509 133:265 134:326 135:69 136:361 137:430 138:721 139:424 140:562 141:195 142:697 143:585 144:314 145:80 146:496 147:319 148:589 149:500 150:280 151:547 152:354 153:117 154:475 155:658 156:294 157:233 158:314 159:527 160:760 161:455 162:693 163:289 164:598 165:381 166:103 167:368 168:910 169:150 170:1204 171:63 172:890 173:611 174:107 175:37 176:419 177:734 178:274 179:503 180:45 181:958 182:8 183:855 184:208 185:2328 186:1017 187:905 188:544 189:1110 190:2920 191:173 192:3695 193:1340 194:900 195:656 196:443 197:662 198:1893 199:2968 200:2715 201:2596 202:906 203:615 204:1734 205:1641 206:1103 207:1032 208:980 209:1361 210:292 211:445 212:754 213:665 214:1072 215:36 216:1678 217:354 218:515 219:19 220:30 221:292 222:18 223:628 End of report