IPv4 R&E Routing Table Report 20:15 GMT Sat 17 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: 186267 Prefixes after maximum aggregation (per Origin AS): 81237 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102133 Number of IPv4 prefixes with a valid ROA: 71763 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 114482 Total ASes present in the Internet Routing Table: 15485 Prefixes per ASN: 12.03 Origin-only ASes present in the Internet Routing Table: 13413 Origin ASes announcing only one prefix: 6152 Transit ASes present in the Internet Routing Table: 2072 Transit-only ASes present in the Internet Routing Table: 546 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: 229 Number of instances of unregistered ASNs: 229 Number of 32-bit ASNs allocated by the RIRs: 43665 Number of 32-bit ASNs visible in the Routing Table: 5443 Prefixes from 32-bit ASNs in the Routing Table: 18186 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: 1066244185 Equivalent to 63 /8s, 141 /16s and 152 /24s Percentage of available address space announced: 28.8 Percentage of allocated address space announced: 28.8 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: 55138 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28661 Total APNIC prefixes after maximum aggregation: 6514 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28447 Unique aggregates announced from the APNIC address blocks: 7507 APNIC Region origin ASes present in the Internet Routing Table: 1084 APNIC Prefixes per ASN: 26.24 APNIC Region origin ASes announcing only one prefix: 444 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: 463 Number of APNIC addresses announced to Internet: 170986888 Equivalent to 10 /8s, 49 /16s and 13 /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: 81811 Total ARIN prefixes after maximum aggregation: 44805 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80830 Unique aggregates announced from the ARIN address blocks: 50640 ARIN Region origin ASes present in the Internet Routing Table: 7149 ARIN Prefixes per ASN: 11.31 ARIN Region origin ASes announcing only one prefix: 3046 ARIN Region transit ASes present in the Internet Routing Table: 640 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: 1431 Number of ARIN addresses announced to Internet: 602530817 Equivalent to 35 /8s, 233 /16s and 228 /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: 38404 Total RIPE prefixes after maximum aggregation: 17820 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 38760 Unique aggregates announced from the RIPE address blocks: 25070 RIPE Region origin ASes present in the Internet Routing Table: 3503 RIPE Prefixes per ASN: 11.06 RIPE Region origin ASes announcing only one prefix: 1531 RIPE Region transit ASes present in the Internet Routing Table: 529 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: 1263 Number of RIPE addresses announced to Internet: 189390288 Equivalent to 11 /8s, 73 /16s and 221 /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: 31789 Total LACNIC prefixes after maximum aggregation: 10009 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31576 Unique aggregates announced from the LACNIC address blocks: 15514 LACNIC Region origin ASes present in the Internet Routing Table: 2911 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 1048 LACNIC Region transit ASes present in the Internet Routing Table: 564 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: 2188 Number of LACNIC addresses announced to Internet: 73633280 Equivalent to 4 /8s, 99 /16s and 142 /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: 5373 Total AfriNIC prefixes after maximum aggregation: 1905 AfriNIC Deaggregation factor: 2.82 Prefixes being announced from the AfriNIC address blocks: 6574 Unique aggregates announced from the AfriNIC address blocks: 3324 AfriNIC Region origin ASes present in the Internet Routing Table: 201 AfriNIC Prefixes per ASN: 32.71 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 59 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: 98 Number of AfriNIC addresses announced to Internet: 29655808 Equivalent to 1 /8s, 196 /16s and 131 /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 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 599 2161 464 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 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 9612 11225 3363 AMAZON-02, US 749 3184 54927 2435 DNIC-AS-00749, US 367 2898 3692 1404 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 1179 77 953 USDA-1, US 7979 988 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 717 60 22 Jordan Data Communications, JO 8452 563 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 420 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 5369 1554 948 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 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 672 285 180 LINKdotNET-AS, EG 36992 563 829 302 ETISALAT-MISR, EG 36914 487 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 36935 265 67 78 Vodafone-, EG 24835 187 158 107 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 9635 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9612 11225 3363 AMAZON-02, US 8151 5369 1554 948 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3184 54927 2435 DNIC-AS-00749, US 367 2898 3692 1404 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 9612 6249 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5369 4421 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2898 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 1305 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 /16:5507 /17:2689 /18:2771 /19:5677 /20:8938 /21:10945 /22:20283 /23:20532 /24:107294 /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 2928 5369 UNINET, MX 16509 2035 9612 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 683 1085 Telefonica del Peru S.A.A., PE 19901 679 817 BRSPD-PUBLIC, US 8376 560 717 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) ---------------------------------------------- 1:9 2:403 3:266 5:1092 6:151 7:5 8:616 11:171 12:253 13:327 14:98 15:280 16:168 17:6 18:681 20:30 21:4 22:188 23:1874 24:390 25:2 27:17 29:19 31:215 32:1 34:2 35:53 36:1109 37:461 38:835 39:523 40:8 41:649 42:15 43:179 44:29 45:2238 46:621 47:148 49:10 50:246 51:475 52:1355 54:297 55:879 57:17 58:6 59:33 60:19 61:62 62:381 63:457 64:1449 65:805 66:1264 67:660 68:140 69:702 70:149 71:196 72:364 74:722 75:392 76:202 77:267 78:551 79:168 80:205 81:188 82:185 83:97 84:195 85:327 86:156 87:150 88:103 89:340 90:97 91:564 92:391 93:811 94:493 95:1096 96:167 97:30 98:129 99:147 100:22 101:25 102:174 103:982 104:682 105:134 106:2 107:227 108:306 109:223 110:26 111:1738 112:446 113:42 114:31 115:11 116:32 117:951 118:45 119:96 120:1088 121:31 122:79 123:22 124:55 125:12 128:342 129:283 130:508 131:784 132:510 133:265 134:331 135:69 136:362 137:432 138:718 139:426 140:563 141:193 142:696 143:597 144:313 145:80 146:497 147:316 148:590 149:493 150:280 151:547 152:354 153:118 154:475 155:662 156:295 157:239 158:314 159:527 160:761 161:455 162:695 163:291 164:588 165:383 166:104 167:371 168:914 169:150 170:1216 171:63 172:890 173:611 174:107 175:37 176:420 177:721 178:268 179:492 180:45 181:959 182:8 183:853 184:205 185:2313 186:998 187:766 188:543 189:1079 190:2915 191:172 192:3681 193:1332 194:895 195:658 196:438 197:651 198:1897 199:2959 200:2722 201:2597 202:933 203:624 204:1694 205:1636 206:1087 207:995 208:979 209:1378 210:294 211:445 212:774 213:662 214:1074 215:38 216:1664 217:356 218:515 219:20 220:30 221:292 222:18 223:627 End of report