IPv4 R&E Routing Table Report 20:15 GMT Wed 14 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: 187393 Prefixes after maximum aggregation (per Origin AS): 81918 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102668 Number of IPv4 prefixes with a valid ROA: 71963 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 115408 Total ASes present in the Internet Routing Table: 15836 Prefixes per ASN: 11.83 Origin-only ASes present in the Internet Routing Table: 13706 Origin ASes announcing only one prefix: 6289 Transit ASes present in the Internet Routing Table: 2130 Transit-only ASes present in the Internet Routing Table: 570 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: 228 Number of instances of unregistered ASNs: 228 Number of 32-bit ASNs allocated by the RIRs: 43624 Number of 32-bit ASNs visible in the Routing Table: 5711 Prefixes from 32-bit ASNs in the Routing Table: 18782 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: 1072064057 Equivalent to 63 /8s, 230 /16s and 102 /24s Percentage of available address space announced: 29.0 Percentage of allocated address space announced: 29.0 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: 55422 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28680 Total APNIC prefixes after maximum aggregation: 6506 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28500 Unique aggregates announced from the APNIC address blocks: 7543 APNIC Region origin ASes present in the Internet Routing Table: 1087 APNIC Prefixes per ASN: 26.22 APNIC Region origin ASes announcing only one prefix: 444 APNIC Region transit ASes present in the Internet Routing Table: 184 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: 466 Number of APNIC addresses announced to Internet: 172028296 Equivalent to 10 /8s, 64 /16s and 241 /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: 82138 Total ARIN prefixes after maximum aggregation: 44972 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81120 Unique aggregates announced from the ARIN address blocks: 50482 ARIN Region origin ASes present in the Internet Routing Table: 7176 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3064 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: 1441 Number of ARIN addresses announced to Internet: 605699809 Equivalent to 36 /8s, 26 /16s and 62 /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: 38419 Total RIPE prefixes after maximum aggregation: 17975 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 38789 Unique aggregates announced from the RIPE address blocks: 25251 RIPE Region origin ASes present in the Internet Routing Table: 3557 RIPE Prefixes per ASN: 10.90 RIPE Region origin ASes announcing only one prefix: 1566 RIPE Region transit ASes present in the Internet Routing Table: 534 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: 1286 Number of RIPE addresses announced to Internet: 189494992 Equivalent to 11 /8s, 75 /16s and 118 /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: 32469 Total LACNIC prefixes after maximum aggregation: 10340 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 32239 Unique aggregates announced from the LACNIC address blocks: 15914 LACNIC Region origin ASes present in the Internet Routing Table: 3143 LACNIC Prefixes per ASN: 10.26 LACNIC Region origin ASes announcing only one prefix: 1127 LACNIC Region transit ASes present in the Internet Routing Table: 611 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: 2413 Number of LACNIC addresses announced to Internet: 74797312 Equivalent to 4 /8s, 117 /16s and 81 /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: 5459 Total AfriNIC prefixes after maximum aggregation: 1939 AfriNIC Deaggregation factor: 2.82 Prefixes being announced from the AfriNIC address blocks: 6663 Unique aggregates announced from the AfriNIC address blocks: 3398 AfriNIC Region origin ASes present in the Internet Routing Table: 210 AfriNIC Prefixes per ASN: 31.73 AfriNIC Region origin ASes announcing only one prefix: 88 AfriNIC Region transit ASes present in the Internet Routing Table: 62 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: 105 Number of AfriNIC addresses announced to Internet: 29995776 Equivalent to 1 /8s, 201 /16s and 179 /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 9635 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 9662 11231 3358 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2928 3729 1436 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1472 394 653 DNIC-ASBLK-05800-06055, US 4155 1172 76 949 USDA-1, US 7979 983 65 194 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 1365 113 1103 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 715 60 22 Jordan Data Communications, JO 8452 566 1841 11 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 51167 435 77 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 420 61 346 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 5357 1546 959 UNINET, MX 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 589 108 221 Techtel LMDS Comunicaciones Interactiva 26599 545 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 300 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 698 47 284 ORANGE-COTE-IVOIRE, CI 24863 656 282 177 LINKdotNET-AS, EG 36992 565 829 304 ETISALAT-MISR, EG 36914 487 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 36935 262 67 77 Vodafone-, EG 24835 244 172 129 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 16509 9662 11231 3358 AMAZON-02, US 9808 9635 8738 50 CHINAMOBILE-CN China Mobile Communicati 8151 5357 1546 959 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2928 3729 1436 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1472 394 653 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 9808 9635 9585 CHINAMOBILE-CN China Mobile Communications Grou 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5357 4398 UNINET, MX 11776 1854 1632 ATLANTICBB-JOHNSTOWN, US 367 2928 1492 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 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 41.74.44.0/24 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 /13:131 /14:362 /15:740 /16:5581 /17:2688 /18:2782 /19:5696 /20:8938 /21:11008 /22:20449 /23:20749 /24:107868 /25:80 /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 2922 5357 UNINET, MX 16509 2045 9662 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 685 1087 Telefonica del Peru S.A.A., PE 19901 678 815 BRSPD-PUBLIC, US 8376 558 715 Jordan Data Communications, JO 36914 472 487 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 2:476 3:267 5:1070 6:152 7:5 8:617 11:171 12:252 13:328 14:98 15:280 16:169 17:6 18:683 20:30 21:4 22:188 23:1874 24:395 25:2 27:17 29:19 31:229 32:1 34:2 35:53 36:1109 37:471 38:819 39:523 40:8 41:652 42:15 43:174 44:29 45:2335 46:648 47:148 49:10 50:249 51:471 52:1361 54:297 55:883 57:18 58:6 59:31 60:19 61:62 62:378 63:459 64:1450 65:807 66:1272 67:677 68:143 69:710 70:151 71:196 72:396 74:737 75:390 76:200 77:273 78:553 79:169 80:205 81:191 82:185 83:97 84:195 85:330 86:152 87:159 88:98 89:280 90:97 91:574 92:388 93:749 94:489 95:1111 96:169 97:30 98:130 99:147 100:22 101:25 102:177 103:983 104:666 105:141 106:2 107:222 108:306 109:218 110:30 111:1742 112:454 113:42 114:31 115:11 116:32 117:951 118:45 119:99 120:1088 121:32 122:78 123:20 124:55 125:12 128:410 129:282 130:506 131:773 132:506 133:264 134:331 135:69 136:363 137:434 138:722 139:432 140:575 141:193 142:697 143:609 144:314 145:80 146:501 147:321 148:591 149:494 150:281 151:547 152:357 153:119 154:468 155:659 156:298 157:233 158:313 159:527 160:768 161:455 162:677 163:287 164:596 165:387 166:104 167:368 168:955 169:150 170:1223 171:63 172:890 173:612 174:108 175:36 176:437 177:767 178:272 179:476 180:45 181:961 182:8 183:853 184:208 185:2329 186:1009 187:798 188:541 189:1097 190:2935 191:176 192:3689 193:1351 194:900 195:665 196:453 197:650 198:1891 199:2968 200:2722 201:2628 202:930 203:636 204:1734 205:1625 206:1073 207:1031 208:964 209:1352 210:293 211:445 212:721 213:668 214:1068 215:37 216:1703 217:354 218:515 219:20 220:30 221:292 222:18 223:627 End of report