IPv4 R&E Routing Table Report 20:15 GMT Mon 27 Nov, 2023 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: 256871 Prefixes after maximum aggregation (per Origin AS): 113667 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138575 Number of IPv4 prefixes with a valid ROA: 95947 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160881 Total ASes present in the Internet Routing Table: 20785 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 18102 Origin ASes announcing only one prefix: 8046 Transit ASes present in the Internet Routing Table: 2683 Transit-only ASes present in the Internet Routing Table: 666 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 435 Number of instances of unregistered ASNs: 435 Number of 32-bit ASNs allocated by the RIRs: 43108 Number of 32-bit ASNs visible in the Routing Table: 7484 Prefixes from 32-bit ASNs in the Routing Table: 26843 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: 137 Number of addresses announced to Internet: 1488861765 Equivalent to 88 /8s, 190 /16s and 58 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 87151 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30568 Total APNIC prefixes after maximum aggregation: 7238 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30070 Unique aggregates announced from the APNIC address blocks: 8257 APNIC Region origin ASes present in the Internet Routing Table: 1194 APNIC Prefixes per ASN: 25.18 APNIC Region origin ASes announcing only one prefix: 483 APNIC Region transit ASes present in the Internet Routing Table: 201 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 523 Number of APNIC addresses announced to Internet: 213351812 Equivalent to 12 /8s, 183 /16s and 125 /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: 119033 Total ARIN prefixes after maximum aggregation: 62317 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 119045 Unique aggregates announced from the ARIN address blocks: 68970 ARIN Region origin ASes present in the Internet Routing Table: 9640 ARIN Prefixes per ASN: 12.35 ARIN Region origin ASes announcing only one prefix: 3967 ARIN Region transit ASes present in the Internet Routing Table: 856 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2047 Number of ARIN addresses announced to Internet: 842256833 Equivalent to 50 /8s, 51 /16s and 209 /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: 56782 Total RIPE prefixes after maximum aggregation: 28402 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 55668 Unique aggregates announced from the RIPE address blocks: 37624 RIPE Region origin ASes present in the Internet Routing Table: 5243 RIPE Prefixes per ASN: 10.62 RIPE Region origin ASes announcing only one prefix: 2235 RIPE Region transit ASes present in the Internet Routing Table: 719 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1986 Number of RIPE addresses announced to Internet: 304599808 Equivalent to 18 /8s, 39 /16s and 211 /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: 41604 Total LACNIC prefixes after maximum aggregation: 13050 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 41031 Unique aggregates announced from the LACNIC address blocks: 19641 LACNIC Region origin ASes present in the Internet Routing Table: 3636 LACNIC Prefixes per ASN: 11.28 LACNIC Region origin ASes announcing only one prefix: 1270 LACNIC Region transit ASes present in the Internet Routing Table: 724 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2814 Number of LACNIC addresses announced to Internet: 87748352 Equivalent to 5 /8s, 58 /16s and 239 /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: 8449 Total AfriNIC prefixes after maximum aggregation: 2359 AfriNIC Deaggregation factor: 3.58 Prefixes being announced from the AfriNIC address blocks: 10920 Unique aggregates announced from the AfriNIC address blocks: 3955 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 44.57 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: 6.0 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: 40762368 Equivalent to 2 /8s, 109 /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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1493 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1415 826 105 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 754 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 675 4270 56 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 24445 477 497 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 9342 11141 3297 AMAZON-02, US 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3024 3864 1425 DNIC-ASBLK-00306-00371, US 7018 2588 23619 1603 ATT-INTERNET4, US 5650 1957 2744 1317 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1837 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1716 4899 332 CENTURYLINK-US-LEGACY-QWEST, 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1597 141 1261 AKAMAI-ASN1, NL 58224 1132 649 671 TCI, IR 3215 917 4899 290 France Telecom - Orange, FR 8452 905 1841 14 TE-AS TE-AS, EG 61317 896 60 768 ASDETUK www.heficed.com, US 25019 837 1035 152 SAUDINETSTC-AS, SA 34984 783 94 496 TELLCOM-AS, TR 8386 706 108 244 KOCNET, TR 8376 674 54 17 Jordan Data Communications, JO 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 5852 1672 1011 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1874 265 1235 Telmex Colombia S.A., CO 3816 1303 781 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1040 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 902 146 399 Techtel LMDS Comunicaciones Interactiva 28006 606 75 276 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 2965 47 TELEFONICA BRASIL S.A, 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 1195 388 22 LINKdotNET-AS, EG 24835 1012 457 25 RAYA-AS, EG 36935 672 520 41 Vodafone-, EG 36992 656 950 346 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 410 35 175 WANANCHI-, KE 29571 388 37 161 ORANGE-COTE-IVOIRE, CI 2018 379 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 251 82 3 KENET-AS, KE 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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9342 11141 3297 AMAZON-02, US 8151 5852 1672 1011 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3024 3864 1425 DNIC-ASBLK-00306-00371, US 7018 2588 23619 1603 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 5650 1957 2744 1317 FRONTIER-FRTR, 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 9342 6045 AMAZON-02, US 8151 5852 4841 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3504 3208 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1837 1614 ATLANTICBB-JOHNSTOWN, US 367 3024 1599 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1493 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1716 1384 CENTURYLINK-US-LEGACY-QWEST, US 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 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 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, US 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 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:501 /15:1002 /16:7442 /17:3502 /18:4053 /19:7865 /20:12256 /21:15444 /22:28807 /23:29001 /24:146309 /25:84 /26:62 /27:72 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3093 5852 UNINET, MX 22773 2563 3504 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1920 9342 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1382 1957 FRONTIER-FRTR, US 7018 1154 2588 ATT-INTERNET4, US 10620 1127 1874 Telmex Colombia S.A., CO 209 967 1716 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:14 2:536 3:244 4:5 5:1327 6:151 7:5 8:733 11:171 12:1098 13:315 14:104 15:282 16:166 17:6 18:634 20:240 21:4 22:188 23:2384 24:755 25:2 27:25 29:19 31:437 32:39 34:2 35:56 36:1058 37:945 38:1314 39:502 40:60 41:876 42:21 43:204 44:43 45:3386 46:863 47:218 49:13 50:358 51:481 52:1386 54:354 55:875 56:5 57:24 58:34 59:32 60:18 61:71 62:625 63:884 64:2067 65:1147 66:2275 67:958 68:639 69:1209 70:501 71:265 72:722 74:1049 75:433 76:225 77:340 78:573 79:255 80:403 81:366 82:313 83:164 84:368 85:443 86:211 87:276 88:232 89:691 90:92 91:960 92:489 93:945 94:674 95:1251 96:281 97:72 98:538 99:163 100:45 101:26 102:299 103:1185 104:1411 105:67 106:42 107:1390 108:532 109:342 110:37 111:1731 112:469 113:46 114:32 115:18 116:44 117:900 118:63 119:125 120:1077 121:41 122:93 123:79 124:55 125:17 128:456 129:375 130:610 131:1088 132:554 133:264 134:458 135:124 136:412 137:551 138:859 139:534 140:575 141:273 142:790 143:669 144:375 145:89 146:602 147:407 148:693 149:716 150:294 151:557 152:519 153:146 154:662 155:769 156:626 157:318 158:444 159:672 160:667 161:633 162:956 163:405 164:683 165:569 166:582 167:625 168:1397 169:180 170:1547 171:100 172:1327 173:828 174:284 175:42 176:826 177:846 178:396 179:679 180:52 181:1599 182:15 183:877 184:508 185:3544 186:1810 187:887 188:819 189:1298 190:4168 191:315 192:4929 193:1972 194:1457 195:1160 196:929 197:636 198:2598 199:3140 200:3214 201:3211 202:1084 203:640 204:2247 205:1858 206:1645 207:1440 208:1435 209:1928 210:333 211:452 212:1050 213:862 214:1065 215:64 216:2535 217:615 218:521 219:23 220:29 221:289 222:34 223:621 End of report