IPv4 R&E Routing Table Report 20:15 GMT Thu 23 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: 255195 Prefixes after maximum aggregation (per Origin AS): 113196 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138475 Number of IPv4 prefixes with a valid ROA: 94376 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160776 Total ASes present in the Internet Routing Table: 20776 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 18094 Origin ASes announcing only one prefix: 8064 Transit ASes present in the Internet Routing Table: 2682 Transit-only ASes present in the Internet Routing Table: 668 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 434 Number of instances of unregistered ASNs: 434 Number of 32-bit ASNs allocated by the RIRs: 43102 Number of 32-bit ASNs visible in the Routing Table: 7535 Prefixes from 32-bit ASNs in the Routing Table: 26865 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: 132 Number of addresses announced to Internet: 1485520197 Equivalent to 88 /8s, 139 /16s and 61 /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: 86125 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30464 Total APNIC prefixes after maximum aggregation: 7183 APNIC Deaggregation factor: 4.24 Prefixes being announced from the APNIC address blocks: 30019 Unique aggregates announced from the APNIC address blocks: 8242 APNIC Region origin ASes present in the Internet Routing Table: 1180 APNIC Prefixes per ASN: 25.44 APNIC Region origin ASes announcing only one prefix: 473 APNIC Region transit ASes present in the Internet Routing Table: 196 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: 510 Number of APNIC addresses announced to Internet: 211811204 Equivalent to 12 /8s, 159 /16s and 251 /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: 118729 Total ARIN prefixes after maximum aggregation: 62151 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118684 Unique aggregates announced from the ARIN address blocks: 69448 ARIN Region origin ASes present in the Internet Routing Table: 9633 ARIN Prefixes per ASN: 12.32 ARIN Region origin ASes announcing only one prefix: 3975 ARIN Region transit ASes present in the Internet Routing Table: 850 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: 2043 Number of ARIN addresses announced to Internet: 839182785 Equivalent to 50 /8s, 4 /16s and 233 /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: 55045 Total RIPE prefixes after maximum aggregation: 27944 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 54016 Unique aggregates announced from the RIPE address blocks: 36700 RIPE Region origin ASes present in the Internet Routing Table: 5163 RIPE Prefixes per ASN: 10.46 RIPE Region origin ASes announcing only one prefix: 2220 RIPE Region transit ASes present in the Internet Routing Table: 713 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: 1969 Number of RIPE addresses announced to Internet: 305861888 Equivalent to 18 /8s, 59 /16s and 21 /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: 41977 Total LACNIC prefixes after maximum aggregation: 13207 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 41384 Unique aggregates announced from the LACNIC address blocks: 19872 LACNIC Region origin ASes present in the Internet Routing Table: 3729 LACNIC Prefixes per ASN: 11.10 LACNIC Region origin ASes announcing only one prefix: 1306 LACNIC Region transit ASes present in the Internet Routing Table: 744 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: 2901 Number of LACNIC addresses announced to Internet: 87933184 Equivalent to 5 /8s, 61 /16s and 193 /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: 8546 Total AfriNIC prefixes after maximum aggregation: 2407 AfriNIC Deaggregation factor: 3.55 Prefixes being announced from the AfriNIC address blocks: 10960 Unique aggregates announced from the AfriNIC address blocks: 4086 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 45.48 AfriNIC Region origin ASes announcing only one prefix: 90 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: 112 Number of AfriNIC addresses announced to Internet: 40525056 Equivalent to 2 /8s, 106 /16s and 93 /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 759 501 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 9347 11144 3289 AMAZON-02, US 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3022 3868 1424 DNIC-ASBLK-00306-00371, US 7018 2579 23618 1595 ATT-INTERNET4, US 5650 1957 2744 1317 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1835 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1718 4900 333 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 1539 139 1233 AKAMAI-ASN1, NL 3215 917 4899 290 France Telecom - Orange, FR 8452 905 1841 14 TE-AS TE-AS, EG 61317 891 60 763 ASDETUK www.heficed.com, US 25019 837 1035 152 SAUDINETSTC-AS, SA 8386 706 108 244 KOCNET, TR 8376 670 54 16 Jordan Data Communications, JO 15897 580 188 20 VODAFONETURKEY, TR 34984 498 76 404 TELLCOM-AS, 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 5825 1671 1001 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1963 277 1262 Telmex Colombia S.A., CO 3816 1302 781 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1039 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 906 146 401 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 590 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 1181 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 672 520 41 Vodafone-, EG 36992 656 950 345 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 411 35 174 WANANCHI-, KE 29571 386 34 172 ORANGE-COTE-IVOIRE, CI 2018 382 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 244 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 9347 11144 3289 AMAZON-02, US 8151 5825 1671 1001 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3022 3868 1424 DNIC-ASBLK-00306-00371, US 7018 2579 23618 1595 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1963 277 1262 Telmex Colombia S.A., CO 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 9347 6058 AMAZON-02, US 8151 5825 4824 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3503 3207 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1835 1612 ATLANTICBB-JOHNSTOWN, US 367 3022 1598 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1493 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1718 1385 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 /10:28 /11:43 /12:123 /13:193 /14:503 /15:1000 /16:7418 /17:3492 /18:4025 /19:7828 /20:12083 /21:15350 /22:28462 /23:28812 /24:145535 /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 3083 5825 UNINET, MX 22773 2562 3503 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1923 9347 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1382 1957 FRONTIER-FRTR, US 10620 1181 1963 Telmex Colombia S.A., CO 7018 1150 2579 ATT-INTERNET4, US 209 969 1718 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 2:525 3:244 4:5 5:1338 6:151 7:5 8:736 11:171 12:1101 13:317 14:102 15:282 16:164 17:6 18:631 20:240 21:4 22:188 23:2336 24:752 25:2 27:25 29:19 31:435 32:39 34:2 35:55 36:1058 37:812 38:1313 39:502 40:60 41:898 42:21 43:203 44:42 45:3429 46:862 47:218 49:13 50:344 51:481 52:1386 54:354 55:877 56:5 57:24 58:34 59:32 60:18 61:71 62:602 63:882 64:2076 65:1144 66:2267 67:958 68:609 69:1209 70:501 71:265 72:705 74:1048 75:433 76:225 77:326 78:559 79:254 80:388 81:343 82:314 83:152 84:349 85:416 86:212 87:275 88:227 89:691 90:92 91:938 92:488 93:937 94:659 95:1243 96:277 97:72 98:536 99:163 100:45 101:26 102:290 103:1176 104:1399 105:68 106:42 107:1370 108:536 109:335 110:37 111:1727 112:469 113:46 114:32 115:18 116:44 117:900 118:62 119:124 120:1071 121:34 122:91 123:78 124:55 125:17 128:460 129:375 130:611 131:1091 132:525 133:263 134:447 135:122 136:410 137:547 138:882 139:534 140:576 141:274 142:791 143:674 144:374 145:88 146:595 147:418 148:664 149:715 150:298 151:548 152:519 153:146 154:620 155:769 156:612 157:319 158:441 159:679 160:665 161:633 162:950 163:402 164:678 165:567 166:582 167:633 168:1411 169:178 170:1573 171:98 172:1306 173:826 174:283 175:40 176:577 177:875 178:395 179:682 180:52 181:1629 182:15 183:877 184:502 185:3476 186:1836 187:878 188:808 189:1295 190:4219 191:312 192:4942 193:1965 194:1447 195:1147 196:921 197:723 198:2596 199:3118 200:3232 201:3227 202:1072 203:642 204:2247 205:1870 206:1643 207:1431 208:1423 209:1934 210:333 211:452 212:1050 213:857 214:1064 215:62 216:2531 217:578 218:521 219:23 220:29 221:289 222:34 223:619 End of report