IPv4 R&E Routing Table Report 20:15 GMT Sun 25 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: 182210 Prefixes after maximum aggregation (per Origin AS): 79826 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 99915 Number of IPv4 prefixes with a valid ROA: 68587 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 113599 Total ASes present in the Internet Routing Table: 15370 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 13286 Origin ASes announcing only one prefix: 6069 Transit ASes present in the Internet Routing Table: 2084 Transit-only ASes present in the Internet Routing Table: 564 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: 43713 Number of 32-bit ASNs visible in the Routing Table: 5504 Prefixes from 32-bit ASNs in the Routing Table: 18509 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: 1033567033 Equivalent to 61 /8s, 154 /16s and 251 /24s Percentage of available address space announced: 27.9 Percentage of allocated address space announced: 27.9 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: 53083 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28559 Total APNIC prefixes after maximum aggregation: 6429 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 28359 Unique aggregates announced from the APNIC address blocks: 7436 APNIC Region origin ASes present in the Internet Routing Table: 1059 APNIC Prefixes per ASN: 26.78 APNIC Region origin ASes announcing only one prefix: 436 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: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 451 Number of APNIC addresses announced to Internet: 171026824 Equivalent to 10 /8s, 49 /16s and 169 /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: 82303 Total ARIN prefixes after maximum aggregation: 44852 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81161 Unique aggregates announced from the ARIN address blocks: 50439 ARIN Region origin ASes present in the Internet Routing Table: 7205 ARIN Prefixes per ASN: 11.26 ARIN Region origin ASes announcing only one prefix: 3081 ARIN Region transit ASes present in the Internet Routing Table: 645 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: 1461 Number of ARIN addresses announced to Internet: 605626337 Equivalent to 36 /8s, 25 /16s and 31 /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: 34648 Total RIPE prefixes after maximum aggregation: 16379 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35188 Unique aggregates announced from the RIPE address blocks: 23560 RIPE Region origin ASes present in the Internet Routing Table: 3244 RIPE Prefixes per ASN: 10.85 RIPE Region origin ASes announcing only one prefix: 1387 RIPE Region transit ASes present in the Internet Routing Table: 494 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: 1184 Number of RIPE addresses announced to Internet: 154169040 Equivalent to 9 /8s, 48 /16s and 110 /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: 31560 Total LACNIC prefixes after maximum aggregation: 10115 LACNIC Deaggregation factor: 3.12 Prefixes being announced from the LACNIC address blocks: 31338 Unique aggregates announced from the LACNIC address blocks: 15343 LACNIC Region origin ASes present in the Internet Routing Table: 3000 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 1076 LACNIC Region transit ASes present in the Internet Routing Table: 593 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: 2304 Number of LACNIC addresses announced to Internet: 73584896 Equivalent to 4 /8s, 98 /16s and 209 /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: 4918 Total AfriNIC prefixes after maximum aggregation: 1868 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 6083 Unique aggregates announced from the AfriNIC address blocks: 3058 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 29.25 AfriNIC Region origin ASes announcing only one prefix: 89 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: 104 Number of AfriNIC addresses announced to Internet: 29112576 Equivalent to 1 /8s, 188 /16s and 57 /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 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 9663 11246 3334 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2889 3645 1404 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1465 394 645 DNIC-ASBLK-05800-06055, US 4155 1219 79 974 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 930 434 856 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 1366 114 1101 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 719 60 22 Jordan Data Communications, JO 8452 571 1841 11 TE-AS TE-AS, EG 51167 437 79 185 CONTABO, DE 35819 434 434 46 MOBILY-AS Etihad Etisalat Company Mobil 34984 423 61 348 TELLCOM-AS, TR 20978 420 196 13 TT_MOBIL Istanbul, 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 4933 1450 874 UNINET, MX 3816 1310 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 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 24863 598 234 197 LINKdotNET-AS, EG 36992 486 777 258 ETISALAT-MISR, EG 29571 473 35 241 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36914 324 82 3 KENET-AS, KE 36935 267 67 80 Vodafone-, EG 24835 198 161 114 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 157 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 9663 11246 3334 AMAZON-02, US 9808 9637 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 4933 1450 874 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2889 3645 1404 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 5972 1465 394 645 DNIC-ASBLK-05800-06055, US 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 9637 9586 CHINAMOBILE-CN China Mobile Communications Grou 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 4933 4059 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2889 1485 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 1310 1117 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 /11:27 /12:73 /13:112 /14:331 /15:667 /16:5368 /17:2517 /18:2589 /19:5383 /20:8720 /21:10673 /22:19483 /23:20205 /24:105762 /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 2637 4933 UNINET, MX 16509 2048 9663 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 685 1087 Telefonica del Peru S.A.A., PE 19901 680 819 BRSPD-PUBLIC, US 8376 562 719 Jordan Data Communications, JO 7979 442 989 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:458 3:269 5:1072 6:151 7:5 8:616 11:171 12:256 13:330 14:98 15:280 16:174 17:6 18:686 20:30 21:4 22:188 23:1868 24:401 25:2 27:18 29:19 31:151 32:1 34:4 35:53 36:1111 37:513 38:821 39:523 40:8 41:492 42:23 43:172 44:33 45:2284 46:561 47:99 49:10 50:249 51:472 52:1354 54:274 55:879 57:17 58:5 59:34 60:19 61:63 62:347 63:458 64:1523 65:821 66:1262 67:674 68:163 69:713 70:150 71:191 72:371 74:719 75:392 76:206 77:265 78:549 79:161 80:169 81:179 82:179 83:92 84:179 85:277 86:149 87:150 88:102 89:293 90:97 91:512 92:392 93:777 94:485 95:1087 96:167 97:30 98:128 99:148 100:22 101:25 102:185 103:957 104:680 105:130 106:2 107:226 108:292 109:209 110:26 111:1744 112:447 113:40 114:31 115:10 116:32 117:946 118:50 119:94 120:1088 121:31 122:82 123:20 124:57 125:11 128:426 129:279 130:512 131:775 132:508 133:265 134:323 135:68 136:359 137:437 138:706 139:412 140:573 141:198 142:695 143:580 144:310 145:67 146:471 147:319 148:586 149:517 150:278 151:541 152:372 153:117 154:440 155:660 156:298 157:219 158:312 159:523 160:626 161:420 162:684 163:282 164:585 165:381 166:104 167:374 168:931 169:153 170:1212 171:62 172:889 173:619 174:107 175:43 176:416 177:683 178:292 179:473 180:44 181:962 182:10 183:853 184:207 185:2183 186:1016 187:724 188:480 189:1023 190:2907 191:185 192:3660 193:1227 194:766 195:560 196:481 197:586 198:1902 199:3012 200:2715 201:2446 202:908 203:608 204:1735 205:1657 206:1129 207:1045 208:987 209:1388 210:292 211:421 212:708 213:532 214:1071 215:37 216:1680 217:303 218:515 219:19 220:30 221:292 222:18 223:626 End of report