IPv4 R&E Routing Table Report 20:15 GMT Sun 14 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: 183433 Prefixes after maximum aggregation (per Origin AS): 80270 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100593 Number of IPv4 prefixes with a valid ROA: 69822 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 113594 Total ASes present in the Internet Routing Table: 15742 Prefixes per ASN: 11.65 Origin-only ASes present in the Internet Routing Table: 13631 Origin ASes announcing only one prefix: 6196 Transit ASes present in the Internet Routing Table: 2111 Transit-only ASes present in the Internet Routing Table: 566 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: 44132 Number of 32-bit ASNs visible in the Routing Table: 5695 Prefixes from 32-bit ASNs in the Routing Table: 19012 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: 86 Number of addresses announced to Internet: 1062474165 Equivalent to 63 /8s, 84 /16s and 17 /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: 52709 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29871 Total APNIC prefixes after maximum aggregation: 6878 APNIC Deaggregation factor: 4.34 Prefixes being announced from the APNIC address blocks: 29544 Unique aggregates announced from the APNIC address blocks: 7961 APNIC Region origin ASes present in the Internet Routing Table: 1093 APNIC Prefixes per ASN: 27.03 APNIC Region origin ASes announcing only one prefix: 437 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: 465 Number of APNIC addresses announced to Internet: 198895748 Equivalent to 11 /8s, 218 /16s and 232 /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: 83237 Total ARIN prefixes after maximum aggregation: 45288 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81939 Unique aggregates announced from the ARIN address blocks: 51033 ARIN Region origin ASes present in the Internet Routing Table: 7324 ARIN Prefixes per ASN: 11.19 ARIN Region origin ASes announcing only one prefix: 3161 ARIN Region transit ASes present in the Internet Routing Table: 628 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: 1502 Number of ARIN addresses announced to Internet: 605248097 Equivalent to 36 /8s, 19 /16s and 90 /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: 34552 Total RIPE prefixes after maximum aggregation: 16271 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35211 Unique aggregates announced from the RIPE address blocks: 23153 RIPE Region origin ASes present in the Internet Routing Table: 3360 RIPE Prefixes per ASN: 10.48 RIPE Region origin ASes announcing only one prefix: 1446 RIPE Region transit ASes present in the Internet Routing Table: 512 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: 156246480 Equivalent to 9 /8s, 80 /16s and 33 /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: 31301 Total LACNIC prefixes after maximum aggregation: 9973 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 30989 Unique aggregates announced from the LACNIC address blocks: 15568 LACNIC Region origin ASes present in the Internet Routing Table: 3078 LACNIC Prefixes per ASN: 10.07 LACNIC Region origin ASes announcing only one prefix: 1062 LACNIC Region transit ASes present in the Internet Routing Table: 619 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: 2363 Number of LACNIC addresses announced to Internet: 72280576 Equivalent to 4 /8s, 78 /16s and 234 /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: 4249 Total AfriNIC prefixes after maximum aggregation: 1673 AfriNIC Deaggregation factor: 2.54 Prefixes being announced from the AfriNIC address blocks: 5664 Unique aggregates announced from the AfriNIC address blocks: 2793 AfriNIC Region origin ASes present in the Internet Routing Table: 222 AfriNIC Prefixes per ASN: 25.51 AfriNIC Region origin ASes announcing only one prefix: 90 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: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 115 Number of AfriNIC addresses announced to Internet: 29752320 Equivalent to 1 /8s, 197 /16s and 252 /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 601 2162 465 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 9861 11372 3448 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2811 3545 1342 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1602 103 1165 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 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 21 Jordan Data Communications, JO 8452 545 1841 11 TE-AS TE-AS, EG 51167 441 83 187 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 405 34 5 ASN-ISKON, HR 57878 380 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 5015 1299 874 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 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 11664 591 105 226 Techtel LMDS Comunicaciones Interactiva 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 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 380 319 71 TENET-1, ZA 36935 266 66 79 Vodafone-, EG 24835 199 162 115 RAYA-AS, EG 36914 199 82 3 KENET-AS, KE 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 9861 11372 3448 AMAZON-02, US 9808 9659 8742 62 CHINAMOBILE-CN China Mobile Communicati 8151 5015 1299 874 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2811 3545 1342 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1602 103 1165 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 5015 4141 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2811 1469 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 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 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 /16:5886 /17:2456 /18:2581 /19:5084 /20:8412 /21:10545 /22:19410 /23:20110 /24:107426 /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 2853 5015 UNINET, MX 16509 2097 9861 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 677 1079 Telefonica del Peru S.A.A., PE 8376 567 722 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) ---------------------------------------------- 1:12 2:385 3:289 5:1054 6:147 7:5 8:619 11:171 12:656 13:323 14:101 15:281 16:174 17:6 18:706 20:34 21:4 22:188 23:1747 24:400 25:2 27:26 29:19 31:168 32:1 34:5 35:54 36:1157 37:474 38:831 39:522 40:9 41:486 42:23 43:181 44:26 45:2369 46:590 47:98 49:10 50:251 51:470 52:1350 54:273 55:989 57:15 58:4 59:32 60:19 61:66 62:344 63:471 64:1428 65:797 66:1229 67:672 68:149 69:729 70:147 71:189 72:361 74:728 75:392 76:204 77:299 78:485 79:160 80:208 81:184 82:170 83:95 84:180 85:326 86:148 87:148 88:120 89:500 90:98 91:543 92:398 93:774 94:507 95:1072 96:166 97:31 98:124 99:146 100:22 101:21 102:229 103:1030 104:691 105:31 106:3 107:196 108:299 109:258 110:26 111:1799 112:449 113:41 114:32 115:11 116:31 117:948 118:100 119:96 120:1092 121:32 122:108 123:49 124:57 125:11 128:362 129:275 130:477 131:778 132:498 133:267 134:339 135:67 136:358 137:400 138:781 139:383 140:587 141:328 142:684 143:596 144:324 145:65 146:471 147:326 148:624 149:508 150:290 151:561 152:356 153:117 154:579 155:669 156:444 157:261 158:312 159:526 160:340 161:410 162:670 163:290 164:633 165:374 166:99 167:377 168:991 169:157 170:1267 171:66 172:894 173:618 174:103 175:39 176:389 177:735 178:288 179:482 180:47 181:979 182:58 183:851 184:198 185:2257 186:1029 187:729 188:475 189:1078 190:2885 191:190 192:3657 193:1222 194:803 195:549 196:373 197:390 198:1908 199:3394 200:2684 201:2456 202:1057 203:596 204:1743 205:1667 206:1137 207:1057 208:949 209:1443 210:324 211:431 212:677 213:548 214:1040 215:43 216:1655 217:279 218:519 219:21 220:30 221:302 222:22 223:633 End of report