IPv4 R&E Routing Table Report 20:15 GMT Tue 12 Dec, 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: 256692 Prefixes after maximum aggregation (per Origin AS): 113543 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138063 Number of IPv4 prefixes with a valid ROA: 96805 Number of IPv4 prefixes with an invalid ROA: 42 Number of IPv4 prefixes with no ROA: 159845 Total ASes present in the Internet Routing Table: 20699 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 18021 Origin ASes announcing only one prefix: 8048 Transit ASes present in the Internet Routing Table: 2678 Transit-only ASes present in the Internet Routing Table: 667 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: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 379 Number of instances of unregistered ASNs: 379 Number of 32-bit ASNs allocated by the RIRs: 43232 Number of 32-bit ASNs visible in the Routing Table: 7494 Prefixes from 32-bit ASNs in the Routing Table: 26651 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: 133 Number of addresses announced to Internet: 1485902633 Equivalent to 88 /8s, 145 /16s and 19 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 40.1 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: 86822 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30714 Total APNIC prefixes after maximum aggregation: 7291 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30323 Unique aggregates announced from the APNIC address blocks: 8454 APNIC Region origin ASes present in the Internet Routing Table: 1208 APNIC Prefixes per ASN: 25.10 APNIC Region origin ASes announcing only one prefix: 496 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 535 Number of APNIC addresses announced to Internet: 213099144 Equivalent to 12 /8s, 179 /16s and 162 /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: 119205 Total ARIN prefixes after maximum aggregation: 62583 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119232 Unique aggregates announced from the ARIN address blocks: 69161 ARIN Region origin ASes present in the Internet Routing Table: 9632 ARIN Prefixes per ASN: 12.38 ARIN Region origin ASes announcing only one prefix: 3971 ARIN Region transit ASes present in the Internet Routing Table: 863 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: 2045 Number of ARIN addresses announced to Internet: 841532065 Equivalent to 50 /8s, 40 /16s and 194 /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: 55397 Total RIPE prefixes after maximum aggregation: 27797 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54272 Unique aggregates announced from the RIPE address blocks: 36388 RIPE Region origin ASes present in the Internet Routing Table: 5134 RIPE Prefixes per ASN: 10.57 RIPE Region origin ASes announcing only one prefix: 2186 RIPE Region transit ASes present in the Internet Routing Table: 703 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1963 Number of RIPE addresses announced to Internet: 302281216 Equivalent to 18 /8s, 4 /16s and 114 /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: 42299 Total LACNIC prefixes after maximum aggregation: 13224 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41607 Unique aggregates announced from the LACNIC address blocks: 20013 LACNIC Region origin ASes present in the Internet Routing Table: 3661 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 1303 LACNIC Region transit ASes present in the Internet Routing Table: 729 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2838 Number of LACNIC addresses announced to Internet: 88070912 Equivalent to 5 /8s, 63 /16s and 219 /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: 8698 Total AfriNIC prefixes after maximum aggregation: 2360 AfriNIC Deaggregation factor: 3.69 Prefixes being announced from the AfriNIC address blocks: 11125 Unique aggregates announced from the AfriNIC address blocks: 3921 AfriNIC Region origin ASes present in the Internet Routing Table: 244 AfriNIC Prefixes per ASN: 45.59 AfriNIC Region origin ASes announcing only one prefix: 92 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: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 113 Number of AfriNIC addresses announced to Internet: 40778752 Equivalent to 2 /8s, 110 /16s and 60 /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 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1506 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1417 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 749 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 663 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 9406 11178 3381 AMAZON-02, US 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2974 3822 1415 DNIC-ASBLK-00306-00371, US 7018 2574 23627 1592 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1735 3036 445 CELLCO-PART, US 209 1713 4899 329 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 4434 262 59 ALJAWWALSTC-AS, SA 20940 1604 141 1267 AKAMAI-ASN1, NL 8452 903 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 869 1035 152 SAUDINETSTC-AS, SA 61317 846 58 757 ASDETUK www.heficed.com, US 34984 830 107 526 TELLCOM-AS, TR 8376 728 60 22 Jordan Data Communications, JO 8386 707 109 242 KOCNET, TR 15897 580 188 20 VODAFONETURKEY, TR 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 5874 1672 1007 UNINET, MX 10620 2165 307 1310 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1308 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1034 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 915 151 399 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 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 1172 388 22 LINKdotNET-AS, EG 24835 1029 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 992 338 ETISALAT-MISR, EG 36914 526 82 3 KENET-AS, KE 15399 424 36 169 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 381 36 158 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 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 9808 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9406 11178 3381 AMAZON-02, US 8151 5874 1672 1007 UNINET, MX 39891 4434 262 59 ALJAWWALSTC-AS, SA 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2974 3822 1415 DNIC-ASBLK-00306-00371, US 7018 2574 23627 1592 ATT-INTERNET4, US 10620 2165 307 1310 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 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 9406 6025 AMAZON-02, US 8151 5874 4867 UNINET, MX 39891 4434 4375 ALJAWWALSTC-AS, SA 22773 3499 3204 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1844 1623 ATLANTICBB-JOHNSTOWN, US 367 2974 1559 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1506 1472 CMNET-HUNAN-AP China Mobile communications corp 209 1713 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 /14:500 /15:1000 /16:7422 /17:3490 /18:4034 /19:7857 /20:12301 /21:15423 /22:28637 /23:29001 /24:146340 /25:85 /26:61 /27:70 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3252 4434 ALJAWWALSTC-AS, SA 8151 3114 5874 UNINET, MX 22773 2557 3499 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1929 9406 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1299 2165 Telmex Colombia S.A., CO 7018 1125 2574 ATT-INTERNET4, US 209 967 1713 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 2:529 3:249 4:5 5:1298 6:149 7:5 8:729 11:171 12:1091 13:310 14:102 15:282 16:167 17:6 18:654 20:232 21:4 22:188 23:2467 24:777 25:2 27:25 29:19 31:433 32:37 34:2 35:56 36:1065 37:904 38:1359 39:503 40:60 41:987 42:20 43:212 44:42 45:3404 46:867 47:154 49:22 50:337 51:413 52:1386 54:353 55:884 56:5 57:23 58:7 59:32 60:18 61:71 62:585 63:890 64:2084 65:1158 66:2280 67:957 68:602 69:1276 70:494 71:264 72:696 74:1051 75:438 76:242 77:279 78:603 79:255 80:384 81:340 82:315 83:160 84:365 85:419 86:217 87:301 88:225 89:592 90:103 91:930 92:511 93:931 94:671 95:1230 96:279 97:70 98:548 99:164 100:45 101:27 102:275 103:1210 104:1412 105:69 106:42 107:1386 108:530 109:334 110:34 111:1733 112:471 113:59 114:33 115:18 116:47 117:951 118:64 119:151 120:1081 121:41 122:98 123:81 124:57 125:16 128:447 129:378 130:608 131:1089 132:559 133:267 134:445 135:120 136:416 137:545 138:894 139:545 140:579 141:276 142:786 143:664 144:376 145:90 146:591 147:385 148:710 149:691 150:293 151:583 152:533 153:147 154:639 155:760 156:624 157:328 158:438 159:662 160:662 161:634 162:970 163:402 164:661 165:571 166:582 167:622 168:1385 169:182 170:1513 171:99 172:1288 173:859 174:281 175:42 176:835 177:866 178:392 179:670 180:58 181:1629 182:14 183:878 184:504 185:3397 186:1852 187:860 188:717 189:1317 190:4287 191:356 192:4935 193:1960 194:1427 195:1131 196:936 197:769 198:2606 199:3300 200:3192 201:3194 202:1110 203:644 204:2243 205:1850 206:1654 207:1415 208:1420 209:1948 210:336 211:475 212:1033 213:842 214:1073 215:58 216:2543 217:575 218:523 219:24 220:29 221:287 222:33 223:617 End of report