IPv4 R&E Routing Table Report 20:15 GMT Wed 22 May, 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: 192634 Prefixes after maximum aggregation (per Origin AS): 85297 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 106528 Number of IPv4 prefixes with a valid ROA: 76132 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 116483 Total ASes present in the Internet Routing Table: 16151 Prefixes per ASN: 11.93 Origin-only ASes present in the Internet Routing Table: 13949 Origin ASes announcing only one prefix: 6427 Transit ASes present in the Internet Routing Table: 2202 Transit-only ASes present in the Internet Routing Table: 588 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 247 Number of instances of unregistered ASNs: 247 Number of 32-bit ASNs allocated by the RIRs: 44505 Number of 32-bit ASNs visible in the Routing Table: 5807 Prefixes from 32-bit ASNs in the Routing Table: 20027 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: 106 Number of addresses announced to Internet: 1122038429 Equivalent to 66 /8s, 224 /16s and 242 /24s Percentage of available address space announced: 30.3 Percentage of allocated address space announced: 30.3 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: 56349 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31724 Total APNIC prefixes after maximum aggregation: 7844 APNIC Deaggregation factor: 4.04 Prefixes being announced from the APNIC address blocks: 31083 Unique aggregates announced from the APNIC address blocks: 9212 APNIC Region origin ASes present in the Internet Routing Table: 1300 APNIC Prefixes per ASN: 23.91 APNIC Region origin ASes announcing only one prefix: 540 APNIC Region transit ASes present in the Internet Routing Table: 233 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 598 Number of APNIC addresses announced to Internet: 202715756 Equivalent to 12 /8s, 21 /16s and 50 /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: 88848 Total ARIN prefixes after maximum aggregation: 48395 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 87527 Unique aggregates announced from the ARIN address blocks: 54441 ARIN Region origin ASes present in the Internet Routing Table: 7479 ARIN Prefixes per ASN: 11.70 ARIN Region origin ASes announcing only one prefix: 3243 ARIN Region transit ASes present in the Internet Routing Table: 680 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: 1549 Number of ARIN addresses announced to Internet: 655974753 Equivalent to 39 /8s, 25 /16s and 97 /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, 393216-402332 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: 37091 Total RIPE prefixes after maximum aggregation: 17541 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 37840 Unique aggregates announced from the RIPE address blocks: 25075 RIPE Region origin ASes present in the Internet Routing Table: 3512 RIPE Prefixes per ASN: 10.77 RIPE Region origin ASes announcing only one prefix: 1490 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: 1298 Number of RIPE addresses announced to Internet: 162597328 Equivalent to 9 /8s, 177 /16s and 9 /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: 30079 Total LACNIC prefixes after maximum aggregation: 9448 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 29770 Unique aggregates announced from the LACNIC address blocks: 14532 LACNIC Region origin ASes present in the Internet Routing Table: 2946 LACNIC Prefixes per ASN: 10.11 LACNIC Region origin ASes announcing only one prefix: 1058 LACNIC Region transit ASes present in the Internet Routing Table: 587 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: 2240 Number of LACNIC addresses announced to Internet: 72480000 Equivalent to 4 /8s, 81 /16s and 245 /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: 4645 Total AfriNIC prefixes after maximum aggregation: 1892 AfriNIC Deaggregation factor: 2.46 Prefixes being announced from the AfriNIC address blocks: 6308 Unique aggregates announced from the AfriNIC address blocks: 3170 AfriNIC Region origin ASes present in the Internet Routing Table: 228 AfriNIC Prefixes per ASN: 27.67 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 71 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 122 Number of AfriNIC addresses announced to Internet: 28181248 Equivalent to 1 /8s, 174 /16s and 3 /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 9652 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1505 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1481 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 722 10640 154 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 56040 491 490 109 CMNET-GUANGDONG-AP China Mobile communi 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9912 11371 3547 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2780 3431 1297 DNIC-ASBLK-00306-00371, US 11776 1862 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1820 121 1255 USDA-1, US 209 1689 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1616 107 901 CABLEONE, US 5972 1442 404 495 DNIC-ASBLK-05800-06055, US 7979 989 64 200 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 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 1299 107 1048 AKAMAI-ASN1, NL 3215 926 4906 284 France Telecom - Orange, FR 25019 819 1044 145 SAUDINETSTC-AS, SA 8376 712 60 21 Jordan Data Communications, JO 8452 626 1841 11 TE-AS TE-AS, EG 51167 511 99 216 CONTABO, DE 35819 475 503 78 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 57878 381 31 187 PRAGER-IT, AT 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 5345 1497 753 UNINET, MX 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 747 1126 30 TELEFONICA BRASIL S.A, BR 26599 540 2819 83 TELEFONICA BRASIL S.A, BR 13999 491 66 213 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 22724 230 15 98 PUNTONET S.A., EC 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 585 204 235 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 328 47 116 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 257 82 3 KENET-AS, KE 36992 179 241 154 ETISALAT-MISR, EG 24835 151 206 77 RAYA-AS, EG 37492 151 471 44 ORANGE-, TN 37693 146 595 51 TUNISIANA, TN 24757 138 36 51 EthioNet-AS, ET 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 9912 11371 3547 AMAZON-02, US 9808 9652 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5345 1497 753 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2780 3431 1297 DNIC-ASBLK-00306-00371, US 11776 1862 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1820 121 1255 USDA-1, US 209 1689 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1616 107 901 CABLEONE, 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 9652 9591 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5345 4592 UNINET, MX 11776 1862 1637 ATLANTICBB-JOHNSTOWN, US 367 2780 1483 DNIC-ASBLK-00306-00371, US 56047 1505 1458 CMNET-HUNAN-AP China Mobile communications corp 209 1689 1378 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1481 1372 CMNET-JIANGSU-AP China Mobile communications co 3816 1321 1126 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 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 41.57.127.0/24 Origin: 37442 RESERVED, ZZ 41.57.127.0/24 Transit: 37204 TELONE, ZW 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 /9:6 /10:17 /11:30 /12:93 /13:124 /14:362 /15:702 /16:5963 /17:2478 /18:2574 /19:5486 /20:8754 /21:11119 /22:19938 /23:20885 /24:113856 /25:73 /26:48 /27:65 /28:18 /29:16 /30:12 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2892 5345 UNINET, MX 16509 2116 9912 AMAZON-02, US 11492 1222 1616 CABLEONE, US 209 955 1689 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1862 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 744 885 BRSPD-PUBLIC, US 6147 681 1084 Telefonica del Peru S.A.A., PE 8376 557 712 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:382 3:342 5:1115 6:148 7:5 8:629 11:171 12:664 13:300 14:152 15:283 16:175 17:6 18:740 20:33 21:4 22:188 23:1893 24:747 25:2 27:53 29:19 31:210 32:1 34:10 35:57 36:1176 37:485 38:901 39:524 40:11 41:717 42:13 43:179 44:34 45:2470 46:636 47:98 49:10 50:286 51:478 52:1365 54:273 55:998 57:14 58:7 59:41 60:19 61:67 62:335 63:503 64:1467 65:822 66:1258 67:834 68:176 69:844 70:144 71:196 72:485 74:730 75:395 76:210 77:327 78:590 79:188 80:227 81:197 82:191 83:117 84:199 85:349 86:165 87:167 88:151 89:535 90:95 91:618 92:428 93:809 94:511 95:1109 96:373 97:33 98:138 99:148 100:23 101:22 102:197 103:1149 104:759 105:141 106:3 107:198 108:310 109:278 110:41 111:1788 112:464 113:49 114:33 115:15 116:41 117:971 118:72 119:127 120:1091 121:44 122:117 123:21 124:57 125:39 128:357 129:278 130:507 131:814 132:516 133:195 134:348 135:90 136:371 137:429 138:768 139:416 140:600 141:324 142:704 143:603 144:341 145:65 146:513 147:387 148:613 149:485 150:295 151:578 152:577 153:122 154:625 155:703 156:455 157:294 158:316 159:691 160:737 161:478 162:694 163:299 164:654 165:394 166:101 167:401 168:897 169:153 170:1265 171:69 172:909 173:814 174:191 175:41 176:416 177:711 178:336 179:515 180:66 181:1027 182:32 183:909 184:311 185:2503 186:788 187:766 188:640 189:1099 190:2705 191:238 192:3934 193:1304 194:866 195:583 196:462 197:402 198:2007 199:3678 200:2467 201:2418 202:1145 203:677 204:1781 205:1671 206:1180 207:1162 208:927 209:1423 210:407 211:431 212:708 213:593 214:1066 215:42 216:1789 217:343 218:524 219:34 220:32 221:302 222:60 223:643 End of report