IPv4 R&E Routing Table Report 20:15 GMT Thu 22 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: 186780 Prefixes after maximum aggregation (per Origin AS): 81615 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102497 Number of IPv4 prefixes with a valid ROA: 72365 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 114392 Total ASes present in the Internet Routing Table: 15527 Prefixes per ASN: 12.03 Origin-only ASes present in the Internet Routing Table: 13451 Origin ASes announcing only one prefix: 6167 Transit ASes present in the Internet Routing Table: 2076 Transit-only ASes present in the Internet Routing Table: 554 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: 43676 Number of 32-bit ASNs visible in the Routing Table: 5472 Prefixes from 32-bit ASNs in the Routing Table: 18454 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: 81 Number of addresses announced to Internet: 1070906937 Equivalent to 63 /8s, 212 /16s and 190 /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: 55355 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28549 Total APNIC prefixes after maximum aggregation: 6415 APNIC Deaggregation factor: 4.45 Prefixes being announced from the APNIC address blocks: 28350 Unique aggregates announced from the APNIC address blocks: 7424 APNIC Region origin ASes present in the Internet Routing Table: 1059 APNIC Prefixes per ASN: 26.77 APNIC Region origin ASes announcing only one prefix: 434 APNIC Region transit ASes present in the Internet Routing Table: 175 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: 171063688 Equivalent to 10 /8s, 50 /16s and 57 /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: 82197 Total ARIN prefixes after maximum aggregation: 44935 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81174 Unique aggregates announced from the ARIN address blocks: 50587 ARIN Region origin ASes present in the Internet Routing Table: 7183 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3073 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: 1443 Number of ARIN addresses announced to Internet: 605887969 Equivalent to 36 /8s, 29 /16s and 29 /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: 38801 Total RIPE prefixes after maximum aggregation: 18111 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 39219 Unique aggregates announced from the RIPE address blocks: 25543 RIPE Region origin ASes present in the Internet Routing Table: 3518 RIPE Prefixes per ASN: 11.15 RIPE Region origin ASes announcing only one prefix: 1530 RIPE Region transit ASes present in the Internet Routing Table: 520 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: 1267 Number of RIPE addresses announced to Internet: 190890960 Equivalent to 11 /8s, 96 /16s and 195 /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: 31779 Total LACNIC prefixes after maximum aggregation: 10037 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 31552 Unique aggregates announced from the LACNIC address blocks: 15580 LACNIC Region origin ASes present in the Internet Routing Table: 2922 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 1049 LACNIC Region transit ASes present in the Internet Routing Table: 571 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: 2212 Number of LACNIC addresses announced to Internet: 73803008 Equivalent to 4 /8s, 102 /16s and 37 /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: 5232 Total AfriNIC prefixes after maximum aggregation: 1934 AfriNIC Deaggregation factor: 2.71 Prefixes being announced from the AfriNIC address blocks: 6404 Unique aggregates announced from the AfriNIC address blocks: 3284 AfriNIC Region origin ASes present in the Internet Routing Table: 201 AfriNIC Prefixes per ASN: 31.86 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 63 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: 29213184 Equivalent to 1 /8s, 189 /16s and 194 /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 9639 8739 51 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 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 435 488 106 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 9636 11235 3323 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2926 3698 1425 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1470 394 648 DNIC-ASBLK-05800-06055, US 4155 1213 79 976 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 932 435 857 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 4754 286 59 ALJAWWALSTC-AS, SA 20940 1371 114 1105 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 716 60 22 Jordan Data Communications, JO 8452 580 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 60 344 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 5382 1552 932 UNINET, MX 3816 1306 787 198 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 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 222 Techtel LMDS Comunicaciones Interactiva 26599 562 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 481 69 208 Mega Cable, S.A. de C.V., MX 28343 307 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 715 48 292 ORANGE-COTE-IVOIRE, CI 24863 556 230 191 LINKdotNET-AS, EG 36992 514 721 295 ETISALAT-MISR, EG 36914 486 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 24835 198 161 114 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 9639 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9636 11235 3323 AMAZON-02, US 8151 5382 1552 932 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2926 3698 1425 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1470 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 9636 6313 AMAZON-02, US 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 5382 4450 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2926 1501 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1708 1387 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 /13:130 /14:361 /15:743 /16:5563 /17:2697 /18:2774 /19:5707 /20:8957 /21:10948 /22:20242 /23:20666 /24:107587 /25:83 /26:52 /27:73 /28:19 /29:21 /30:16 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3436 4754 ALJAWWALSTC-AS, SA 8151 2939 5382 UNINET, MX 16509 2042 9636 AMAZON-02, US 209 964 1708 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 680 819 BRSPD-PUBLIC, US 8376 559 716 Jordan Data Communications, JO 15897 471 551 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:468 3:268 5:1100 6:151 7:5 8:622 11:171 12:255 13:329 14:99 15:280 16:169 17:6 18:686 20:30 21:4 22:188 23:1870 24:398 25:2 27:18 29:19 31:217 32:1 34:3 35:53 36:1111 37:549 38:843 39:523 40:8 41:616 42:15 43:172 44:30 45:2241 46:622 47:148 49:10 50:253 51:474 52:1353 54:274 55:882 57:17 58:5 59:35 60:19 61:62 62:380 63:459 64:1520 65:808 66:1269 67:675 68:142 69:719 70:150 71:192 72:366 74:723 75:392 76:205 77:271 78:551 79:166 80:185 81:184 82:177 83:95 84:184 85:325 86:154 87:150 88:103 89:339 90:97 91:574 92:394 93:793 94:496 95:1100 96:167 97:29 98:129 99:148 100:22 101:25 102:182 103:948 104:686 105:130 106:2 107:224 108:292 109:212 110:26 111:1744 112:447 113:40 114:31 115:10 116:32 117:946 118:45 119:94 120:1088 121:31 122:78 123:20 124:57 125:11 128:419 129:281 130:510 131:777 132:509 133:265 134:334 135:69 136:364 137:433 138:702 139:424 140:563 141:195 142:698 143:589 144:313 145:88 146:502 147:323 148:588 149:521 150:280 151:542 152:359 153:116 154:465 155:661 156:301 157:221 158:317 159:525 160:761 161:419 162:688 163:285 164:591 165:382 166:104 167:375 168:924 169:150 170:1205 171:63 172:894 173:611 174:107 175:43 176:416 177:712 178:293 179:478 180:44 181:954 182:8 183:853 184:206 185:2300 186:1018 187:751 188:547 189:1072 190:2905 191:167 192:3683 193:1382 194:924 195:663 196:438 197:669 198:1896 199:3003 200:2714 201:2585 202:903 203:619 204:1732 205:1655 206:1103 207:1034 208:982 209:1362 210:292 211:421 212:755 213:655 214:1067 215:37 216:1671 217:344 218:515 219:19 220:30 221:292 222:18 223:628 End of report