IPv4 R&E Routing Table Report 20:15 GMT Mon 25 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: 183224 Prefixes after maximum aggregation (per Origin AS): 79906 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100312 Number of IPv4 prefixes with a valid ROA: 69802 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 113403 Total ASes present in the Internet Routing Table: 15501 Prefixes per ASN: 11.82 Origin-only ASes present in the Internet Routing Table: 13386 Origin ASes announcing only one prefix: 6085 Transit ASes present in the Internet Routing Table: 2115 Transit-only ASes present in the Internet Routing Table: 577 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 ( 28683) 24 Prefixes from unregistered ASNs in the Routing Table: 220 Number of instances of unregistered ASNs: 220 Number of 32-bit ASNs allocated by the RIRs: 43902 Number of 32-bit ASNs visible in the Routing Table: 5627 Prefixes from 32-bit ASNs in the Routing Table: 18871 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: 101 Number of addresses announced to Internet: 1024494777 Equivalent to 61 /8s, 16 /16s and 140 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 53574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28865 Total APNIC prefixes after maximum aggregation: 6536 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28587 Unique aggregates announced from the APNIC address blocks: 7623 APNIC Region origin ASes present in the Internet Routing Table: 1093 APNIC Prefixes per ASN: 26.15 APNIC Region origin ASes announcing only one prefix: 434 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 474 Number of APNIC addresses announced to Internet: 157779080 Equivalent to 9 /8s, 103 /16s and 132 /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: 82580 Total ARIN prefixes after maximum aggregation: 44826 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81480 Unique aggregates announced from the ARIN address blocks: 50614 ARIN Region origin ASes present in the Internet Routing Table: 7169 ARIN Prefixes per ASN: 11.37 ARIN Region origin ASes announcing only one prefix: 3049 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: 1464 Number of ARIN addresses announced to Internet: 605303905 Equivalent to 36 /8s, 20 /16s and 52 /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: 34791 Total RIPE prefixes after maximum aggregation: 16450 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35265 Unique aggregates announced from the RIPE address blocks: 23213 RIPE Region origin ASes present in the Internet Routing Table: 3259 RIPE Prefixes per ASN: 10.82 RIPE Region origin ASes announcing only one prefix: 1395 RIPE Region transit ASes present in the Internet Routing Table: 510 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1206 Number of RIPE addresses announced to Internet: 157073104 Equivalent to 9 /8s, 92 /16s and 190 /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: 32234 Total LACNIC prefixes after maximum aggregation: 10217 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31937 Unique aggregates announced from the LACNIC address blocks: 16017 LACNIC Region origin ASes present in the Internet Routing Table: 3064 LACNIC Prefixes per ASN: 10.42 LACNIC Region origin ASes announcing only one prefix: 1108 LACNIC Region transit ASes present in the Internet Routing Table: 614 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2354 Number of LACNIC addresses announced to Internet: 73831168 Equivalent to 4 /8s, 102 /16s and 147 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4534 Total AfriNIC prefixes after maximum aggregation: 1698 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 5854 Unique aggregates announced from the AfriNIC address blocks: 2752 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 24.29 AfriNIC Region origin ASes announcing only one prefix: 99 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 129 Number of AfriNIC addresses announced to Internet: 30450688 Equivalent to 1 /8s, 208 /16s and 164 /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 9666 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1479 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 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 435 488 107 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 9736 11356 3409 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2916 3631 1386 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1696 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1546 100 1153 USDA-1, US 5972 1418 396 641 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 952 255 82 CANET-ASN-4, CA 16625 854 398 786 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 1293 109 1055 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 543 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 58224 414 189 327 TCI, IR 35819 386 378 73 MOBILY-AS Etihad Etisalat Company Mobil 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 5367 1554 858 UNINET, MX 3816 1313 788 194 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 944 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 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 609 235 179 LINKdotNET-AS, EG 36992 445 652 281 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 164 28 3 RENU, UG 37282 163 26 6 MAINONE, NG 37492 156 471 44 ORANGE-, TN 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 9736 11356 3409 AMAZON-02, US 9808 9666 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5367 1554 858 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2916 3631 1386 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1696 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1546 100 1153 USDA-1, US 56047 1479 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 9666 9606 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5367 4509 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2916 1530 DNIC-ASBLK-00306-00371, US 56047 1479 1445 CMNET-HUNAN-AP China Mobile communications corp 209 1696 1381 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1313 1119 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 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 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 /11:25 /12:74 /13:114 /14:335 /15:672 /16:5269 /17:2512 /18:2588 /19:5351 /20:8546 /21:10786 /22:19545 /23:20230 /24:106909 /25:69 /26:40 /27:71 /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 2932 5367 UNINET, MX 16509 2056 9736 AMAZON-02, US 209 958 1696 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1857 ATLANTICBB-JOHNSTOWN, US 11830 883 1042 Instituto Costarricense de Electricidad y Telec 19901 692 831 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 565 722 Jordan Data Communications, JO 7979 451 1002 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:10 2:377 3:285 5:1069 6:148 7:5 8:622 11:171 12:256 13:318 14:100 15:281 16:174 17:6 18:702 20:33 21:4 22:188 23:1804 24:403 25:2 27:23 29:19 31:162 32:1 34:5 35:53 36:1139 37:514 38:833 39:523 40:8 41:571 42:21 43:185 44:28 45:2273 46:567 47:99 49:11 50:249 51:470 52:1347 54:269 55:966 57:16 58:4 59:30 60:19 61:62 62:334 63:464 64:1436 65:795 66:1231 67:672 68:164 69:739 70:147 71:189 72:370 74:732 75:391 76:209 77:272 78:484 79:161 80:195 81:185 82:160 83:95 84:182 85:316 86:146 87:140 88:122 89:466 90:98 91:507 92:398 93:776 94:537 95:1079 96:165 97:31 98:125 99:146 100:22 101:24 102:236 103:1054 104:692 105:30 106:3 107:221 108:298 109:233 110:24 111:1753 112:447 113:41 114:33 115:11 116:31 117:945 118:64 119:96 120:1093 121:30 122:80 123:20 124:57 125:11 128:359 129:320 130:469 131:768 132:497 133:264 134:350 135:66 136:372 137:507 138:728 139:396 140:581 141:314 142:696 143:586 144:317 145:59 146:455 147:320 148:611 149:513 150:286 151:488 152:363 153:117 154:527 155:658 156:364 157:242 158:317 159:526 160:319 161:414 162:696 163:283 164:620 165:368 166:101 167:379 168:974 169:154 170:1240 171:63 172:898 173:620 174:103 175:46 176:398 177:800 178:318 179:530 180:55 181:994 182:20 183:855 184:199 185:2195 186:1005 187:836 188:486 189:1136 190:2858 191:301 192:3676 193:1203 194:784 195:554 196:425 197:399 198:1896 199:3346 200:2668 201:2551 202:1012 203:581 204:1766 205:1656 206:1132 207:1049 208:969 209:1430 210:307 211:422 212:675 213:515 214:1039 215:43 216:1682 217:282 218:517 219:19 220:31 221:300 222:17 223:630 End of report