IPv4 R&E Routing Table Report 20:15 GMT Sat 09 Mar, 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: 183013 Prefixes after maximum aggregation (per Origin AS): 79933 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100503 Number of IPv4 prefixes with a valid ROA: 68890 Number of IPv4 prefixes with an invalid ROA: 80 Number of IPv4 prefixes with no ROA: 114043 Total ASes present in the Internet Routing Table: 15478 Prefixes per ASN: 11.82 Origin-only ASes present in the Internet Routing Table: 13368 Origin ASes announcing only one prefix: 6108 Transit ASes present in the Internet Routing Table: 2110 Transit-only ASes present in the Internet Routing Table: 585 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 (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 212 Number of instances of unregistered ASNs: 212 Number of 32-bit ASNs allocated by the RIRs: 43798 Number of 32-bit ASNs visible in the Routing Table: 5581 Prefixes from 32-bit ASNs in the Routing Table: 18546 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: 1034265017 Equivalent to 61 /8s, 165 /16s and 161 /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: 53539 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28802 Total APNIC prefixes after maximum aggregation: 6509 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28514 Unique aggregates announced from the APNIC address blocks: 7544 APNIC Region origin ASes present in the Internet Routing Table: 1095 APNIC Prefixes per ASN: 26.04 APNIC Region origin ASes announcing only one prefix: 447 APNIC Region transit ASes present in the Internet Routing Table: 183 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: 473 Number of APNIC addresses announced to Internet: 171048840 Equivalent to 10 /8s, 49 /16s and 255 /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: 81933 Total ARIN prefixes after maximum aggregation: 44597 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 80865 Unique aggregates announced from the ARIN address blocks: 50240 ARIN Region origin ASes present in the Internet Routing Table: 7185 ARIN Prefixes per ASN: 11.25 ARIN Region origin ASes announcing only one prefix: 3077 ARIN Region transit ASes present in the Internet Routing Table: 641 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: 1467 Number of ARIN addresses announced to Internet: 605119329 Equivalent to 36 /8s, 17 /16s and 99 /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: 35123 Total RIPE prefixes after maximum aggregation: 16568 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35547 Unique aggregates announced from the RIPE address blocks: 23599 RIPE Region origin ASes present in the Internet Routing Table: 3273 RIPE Prefixes per ASN: 10.86 RIPE Region origin ASes announcing only one prefix: 1398 RIPE Region transit ASes present in the Internet Routing Table: 506 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: 1205 Number of RIPE addresses announced to Internet: 155401936 Equivalent to 9 /8s, 67 /16s and 62 /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: 32157 Total LACNIC prefixes after maximum aggregation: 10202 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31920 Unique aggregates announced from the LACNIC address blocks: 15799 LACNIC Region origin ASes present in the Internet Routing Table: 3039 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 1095 LACNIC Region transit ASes present in the Internet Routing Table: 607 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: 2324 Number of LACNIC addresses announced to Internet: 73741056 Equivalent to 4 /8s, 101 /16s and 51 /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: 4786 Total AfriNIC prefixes after maximum aggregation: 1882 AfriNIC Deaggregation factor: 2.54 Prefixes being announced from the AfriNIC address blocks: 6085 Unique aggregates announced from the AfriNIC address blocks: 3241 AfriNIC Region origin ASes present in the Internet Routing Table: 212 AfriNIC Prefixes per ASN: 28.70 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 64 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: 112 Number of AfriNIC addresses announced to Internet: 28906240 Equivalent to 1 /8s, 185 /16s and 19 /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 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 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 434 488 105 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 9620 11318 3373 AMAZON-02, US 749 3199 54920 2451 DNIC-AS-00749, US 367 2917 3648 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1450 394 645 DNIC-ASBLK-05800-06055, US 4155 1404 91 1075 USDA-1, US 7979 997 66 198 SERVERS-COM, US 855 958 255 82 CANET-ASN-4, CA 16625 878 408 810 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1285 109 1052 AKAMAI-ASN1, NL 3215 897 4823 295 France Telecom - Orange, FR 25019 820 1032 146 SAUDINETSTC-AS, SA 8376 719 60 22 Jordan Data Communications, JO 8452 590 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 35819 421 424 79 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 416 60 341 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 5342 1522 929 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 993 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 481 66 207 Mega Cable, S.A. de C.V., MX 28343 309 58 95 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 687 240 189 LINKdotNET-AS, EG 29571 479 35 246 ORANGE-COTE-IVOIRE, CI 36992 474 671 291 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 204 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 162 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37480 141 9 23 Cobranet, NG 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 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9620 11318 3373 AMAZON-02, US 8151 5342 1522 929 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3199 54920 2451 DNIC-AS-00749, US 367 2917 3648 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 5972 1450 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 16509 9620 6247 AMAZON-02, US 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5342 4413 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2917 1509 DNIC-ASBLK-00306-00371, US 56047 1470 1436 CMNET-HUNAN-AP China Mobile communications corp 209 1707 1386 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1450 1340 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 1113 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 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 13342 UNALLOCATED 12.180.244.0/23 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 1835 FSKNET-DK Forskningsnettet - Danish network for 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 /11:27 /12:73 /13:111 /14:335 /15:671 /16:5373 /17:2508 /18:2593 /19:5316 /20:8600 /21:10723 /22:19569 /23:20101 /24:106727 /25:80 /26:51 /27:67 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2943 5342 UNINET, MX 16509 2028 9620 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 684 823 BRSPD-PUBLIC, US 8376 560 719 Jordan Data Communications, JO 7979 446 997 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:470 3:273 5:1059 6:148 7:5 8:622 11:171 12:260 13:317 14:99 15:281 16:174 17:6 18:688 20:32 21:4 22:188 23:1813 24:393 25:2 27:17 29:19 31:165 32:1 34:3 35:53 36:1113 37:552 38:852 39:523 40:8 41:539 42:22 43:184 44:31 45:2266 46:571 47:100 49:10 50:251 51:469 52:1351 54:269 55:884 57:16 58:6 59:33 60:19 61:63 62:336 63:460 64:1437 65:799 66:1214 67:676 68:162 69:712 70:149 71:191 72:373 74:706 75:389 76:207 77:267 78:532 79:162 80:194 81:189 82:168 83:98 84:182 85:312 86:146 87:146 88:100 89:473 90:98 91:511 92:395 93:778 94:479 95:1088 96:165 97:30 98:124 99:145 100:21 101:28 102:180 103:1064 104:679 105:146 106:2 107:219 108:294 109:227 110:29 111:1747 112:447 113:40 114:32 115:11 116:33 117:944 118:53 119:94 120:1089 121:31 122:81 123:22 124:57 125:12 128:380 129:280 130:511 131:780 132:499 133:264 134:319 135:68 136:354 137:447 138:738 139:403 140:566 141:328 142:689 143:579 144:317 145:62 146:459 147:320 148:609 149:508 150:341 151:531 152:369 153:118 154:430 155:673 156:366 157:217 158:316 159:529 160:626 161:419 162:702 163:294 164:616 165:364 166:100 167:381 168:972 169:154 170:1213 171:62 172:877 173:617 174:107 175:46 176:416 177:706 178:337 179:488 180:42 181:1001 182:12 183:853 184:196 185:2189 186:1034 187:768 188:485 189:1086 190:2931 191:185 192:3671 193:1202 194:778 195:554 196:438 197:461 198:1898 199:3198 200:2725 201:2566 202:921 203:603 204:1753 205:1623 206:1126 207:1051 208:980 209:1403 210:290 211:422 212:696 213:562 214:1063 215:37 216:1676 217:300 218:515 219:19 220:31 221:294 222:18 223:626 End of report