IPv4 R&E Routing Table Report 20:15 GMT Sat 13 Apr, 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: 182712 Prefixes after maximum aggregation (per Origin AS): 79971 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 100548 Number of IPv4 prefixes with a valid ROA: 69859 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 112836 Total ASes present in the Internet Routing Table: 15713 Prefixes per ASN: 11.63 Origin-only ASes present in the Internet Routing Table: 13614 Origin ASes announcing only one prefix: 6198 Transit ASes present in the Internet Routing Table: 2099 Transit-only ASes present in the Internet Routing Table: 570 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: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 223 Number of instances of unregistered ASNs: 223 Number of 32-bit ASNs allocated by the RIRs: 44118 Number of 32-bit ASNs visible in the Routing Table: 5674 Prefixes from 32-bit ASNs in the Routing Table: 18918 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: 87 Number of addresses announced to Internet: 1062023349 Equivalent to 63 /8s, 77 /16s and 48 /24s Percentage of available address space announced: 28.7 Percentage of allocated address space announced: 28.7 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: 52355 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29874 Total APNIC prefixes after maximum aggregation: 6880 APNIC Deaggregation factor: 4.34 Prefixes being announced from the APNIC address blocks: 29551 Unique aggregates announced from the APNIC address blocks: 7970 APNIC Region origin ASes present in the Internet Routing Table: 1096 APNIC Prefixes per ASN: 26.96 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 181 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 468 Number of APNIC addresses announced to Internet: 198905988 Equivalent to 11 /8s, 219 /16s and 16 /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: 83326 Total ARIN prefixes after maximum aggregation: 45354 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 82056 Unique aggregates announced from the ARIN address blocks: 51150 ARIN Region origin ASes present in the Internet Routing Table: 7332 ARIN Prefixes per ASN: 11.19 ARIN Region origin ASes announcing only one prefix: 3169 ARIN Region transit ASes present in the Internet Routing Table: 629 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: 1508 Number of ARIN addresses announced to Internet: 605220193 Equivalent to 36 /8s, 18 /16s and 237 /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: 34627 Total RIPE prefixes after maximum aggregation: 16223 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35283 Unique aggregates announced from the RIPE address blocks: 23137 RIPE Region origin ASes present in the Internet Routing Table: 3355 RIPE Prefixes per ASN: 10.52 RIPE Region origin ASes announcing only one prefix: 1448 RIPE Region transit ASes present in the Internet Routing Table: 509 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1250 Number of RIPE addresses announced to Internet: 157014480 Equivalent to 9 /8s, 91 /16s and 217 /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: 30409 Total LACNIC prefixes after maximum aggregation: 9653 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 30075 Unique aggregates announced from the LACNIC address blocks: 15416 LACNIC Region origin ASes present in the Internet Routing Table: 3038 LACNIC Prefixes per ASN: 9.90 LACNIC Region origin ASes announcing only one prefix: 1050 LACNIC Region transit ASes present in the Internet Routing Table: 609 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: 2334 Number of LACNIC addresses announced to Internet: 71079168 Equivalent to 4 /8s, 60 /16s and 149 /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: 4253 Total AfriNIC prefixes after maximum aggregation: 1674 AfriNIC Deaggregation factor: 2.54 Prefixes being announced from the AfriNIC address blocks: 5660 Unique aggregates announced from the AfriNIC address blocks: 2789 AfriNIC Region origin ASes present in the Internet Routing Table: 223 AfriNIC Prefixes per ASN: 25.38 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 114 Number of AfriNIC addresses announced to Internet: 29751552 Equivalent to 1 /8s, 197 /16s and 249 /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 9659 8742 62 CHINAMOBILE-CN China Mobile Communicati 56047 1503 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1481 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 789 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 732 10656 150 GIGAINFRA SoftBank Corp., JP 2907 600 2160 464 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 449 489 108 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 9842 11367 3454 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2804 3546 1334 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1601 103 1164 USDA-1, US 5972 1403 393 638 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 19901 852 554 633 BRSPD-PUBLIC, 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 1309 111 1066 AKAMAI-ASN1, NL 3215 928 4906 286 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 21 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 51167 441 83 187 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 35819 405 394 71 MOBILY-AS Etihad Etisalat Company Mobil 13046 393 34 5 ASN-ISKON, HR 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 5014 1299 875 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 921 1128 28 TELEFONICA BRASIL S.A, BR 26599 572 2945 46 TELEFONICA BRASIL S.A, BR 10620 500 64 421 Telmex Colombia S.A., CO 13999 483 66 207 Mega Cable, S.A. de C.V., MX 27843 229 20 33 WIN EMPRESAS S.A.C., PE 27983 224 23 124 Red Intercable Digital S.A., AR 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 668 241 201 LINKdotNET-AS, EG 36992 411 656 267 ETISALAT-MISR, EG 2018 379 319 71 TENET-1, ZA 36935 266 66 79 Vodafone-, EG 36914 201 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37282 157 20 53 MAINONE, NG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 15706 110 12 26 Sudatel, SD 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 9842 11367 3454 AMAZON-02, US 9808 9659 8742 62 CHINAMOBILE-CN China Mobile Communicati 8151 5014 1299 875 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2804 3546 1334 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1601 103 1164 USDA-1, US 56047 1503 192 47 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 9659 9597 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5014 4139 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2804 1470 DNIC-ASBLK-00306-00371, US 56047 1503 1456 CMNET-HUNAN-AP China Mobile communications corp 209 1694 1380 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1481 1371 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 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 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 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 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 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 41.204.248.0/24 Origin: 36911 RESERVED, ZZ 41.204.248.0/24 Transit: 328766 RESERVED, ZZ 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 /10:17 /11:28 /12:79 /13:115 /14:338 /15:672 /16:5878 /17:2453 /18:2589 /19:5081 /20:8489 /21:10451 /22:19307 /23:19990 /24:106951 /25:76 /26:50 /27:71 /28:19 /29:21 /30:17 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2852 5014 UNINET, MX 16509 2097 9842 AMAZON-02, US 209 957 1694 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 711 852 BRSPD-PUBLIC, US 6147 678 1080 Telefonica del Peru S.A.A., PE 8376 565 720 Jordan Data Communications, JO 7979 451 1001 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 2:386 3:289 5:1053 6:147 7:5 8:621 11:171 12:656 13:319 14:101 15:281 16:174 17:6 18:705 20:34 21:4 22:188 23:1758 24:400 25:2 27:26 29:19 31:169 32:1 34:5 35:54 36:1157 37:468 38:844 39:522 40:9 41:491 42:23 43:181 44:27 45:2357 46:589 47:99 49:10 50:248 51:470 52:1350 54:273 55:998 57:15 58:4 59:32 60:19 61:66 62:344 63:469 64:1441 65:795 66:1229 67:671 68:149 69:727 70:147 71:189 72:361 74:729 75:392 76:204 77:298 78:485 79:161 80:218 81:184 82:177 83:96 84:180 85:329 86:147 87:148 88:120 89:494 90:98 91:539 92:395 93:776 94:496 95:1072 96:167 97:31 98:124 99:146 100:22 101:21 102:226 103:1039 104:695 105:31 106:3 107:203 108:300 109:258 110:26 111:1799 112:449 113:41 114:33 115:11 116:31 117:948 118:101 119:96 120:1092 121:32 122:108 123:49 124:57 125:11 128:362 129:275 130:476 131:780 132:497 133:267 134:338 135:67 136:358 137:402 138:765 139:383 140:587 141:327 142:684 143:587 144:325 145:65 146:474 147:301 148:623 149:516 150:290 151:557 152:356 153:117 154:573 155:669 156:444 157:260 158:312 159:524 160:336 161:417 162:672 163:289 164:631 165:374 166:99 167:377 168:978 169:157 170:1240 171:66 172:897 173:618 174:103 175:39 176:389 177:716 178:286 179:493 180:47 181:934 182:58 183:851 184:198 185:2244 186:854 187:725 188:476 189:1074 190:2803 191:192 192:3661 193:1221 194:816 195:550 196:373 197:390 198:1912 199:3394 200:2556 201:2447 202:1057 203:596 204:1743 205:1669 206:1136 207:1058 208:948 209:1441 210:325 211:431 212:677 213:544 214:1042 215:43 216:1676 217:278 218:519 219:21 220:30 221:302 222:22 223:633 End of report