IPv4 R&E Routing Table Report 20:15 GMT Sun 03 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: 259217 Prefixes after maximum aggregation (per Origin AS): 114169 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 140010 Number of IPv4 prefixes with a valid ROA: 98508 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160666 Total ASes present in the Internet Routing Table: 20849 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 18137 Origin ASes announcing only one prefix: 8077 Transit ASes present in the Internet Routing Table: 2712 Transit-only ASes present in the Internet Routing Table: 672 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 426 Number of instances of unregistered ASNs: 426 Number of 32-bit ASNs allocated by the RIRs: 43170 Number of 32-bit ASNs visible in the Routing Table: 7540 Prefixes from 32-bit ASNs in the Routing Table: 27361 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 135 Number of addresses announced to Internet: 1490217545 Equivalent to 88 /8s, 210 /16s and 234 /24s Percentage of available address space announced: 40.3 Percentage of allocated address space announced: 40.3 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: 88544 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30689 Total APNIC prefixes after maximum aggregation: 7290 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30200 Unique aggregates announced from the APNIC address blocks: 8374 APNIC Region origin ASes present in the Internet Routing Table: 1202 APNIC Prefixes per ASN: 25.12 APNIC Region origin ASes announcing only one prefix: 484 APNIC Region transit ASes present in the Internet Routing Table: 202 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 525 Number of APNIC addresses announced to Internet: 212792968 Equivalent to 12 /8s, 174 /16s and 246 /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: 118954 Total ARIN prefixes after maximum aggregation: 62377 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 119148 Unique aggregates announced from the ARIN address blocks: 69142 ARIN Region origin ASes present in the Internet Routing Table: 9650 ARIN Prefixes per ASN: 12.35 ARIN Region origin ASes announcing only one prefix: 3968 ARIN Region transit ASes present in the Internet Routing Table: 861 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: 842227137 Equivalent to 50 /8s, 51 /16s and 93 /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: 56081 Total RIPE prefixes after maximum aggregation: 28046 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 54960 Unique aggregates announced from the RIPE address blocks: 36945 RIPE Region origin ASes present in the Internet Routing Table: 5172 RIPE Prefixes per ASN: 10.63 RIPE Region origin ASes announcing only one prefix: 2200 RIPE Region transit ASes present in the Internet Routing Table: 708 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: 1964 Number of RIPE addresses announced to Internet: 303606784 Equivalent to 18 /8s, 24 /16s and 172 /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: 44286 Total LACNIC prefixes after maximum aggregation: 13747 LACNIC Deaggregation factor: 3.22 Prefixes being announced from the LACNIC address blocks: 43595 Unique aggregates announced from the LACNIC address blocks: 21335 LACNIC Region origin ASes present in the Internet Routing Table: 3750 LACNIC Prefixes per ASN: 11.63 LACNIC Region origin ASes announcing only one prefix: 1334 LACNIC Region transit ASes present in the Internet Routing Table: 772 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: 2890 Number of LACNIC addresses announced to Internet: 91030784 Equivalent to 5 /8s, 109 /16s and 5 /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: 8781 Total AfriNIC prefixes after maximum aggregation: 2417 AfriNIC Deaggregation factor: 3.63 Prefixes being announced from the AfriNIC address blocks: 11179 Unique aggregates announced from the AfriNIC address blocks: 4087 AfriNIC Region origin ASes present in the Internet Routing Table: 246 AfriNIC Prefixes per ASN: 45.44 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 114 Number of AfriNIC addresses announced to Internet: 40418048 Equivalent to 2 /8s, 104 /16s and 187 /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 1504 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1413 826 105 CMNET-JIANGSU-AP China Mobile communica 24547 761 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 674 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 9382 11178 3324 AMAZON-02, US 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 2997 3847 1423 DNIC-ASBLK-00306-00371, US 7018 2567 23618 1602 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1841 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1736 3053 427 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1646 144 1287 AKAMAI-ASN1, NL 3215 916 4899 290 France Telecom - Orange, FR 61317 896 60 770 ASDETUK www.heficed.com, US 8452 890 1841 14 TE-AS TE-AS, EG 25019 872 1035 152 SAUDINETSTC-AS, SA 34984 823 109 518 TELLCOM-AS, TR 58224 746 503 518 TCI, IR 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 5864 1671 1013 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1874 265 1235 Telmex Colombia S.A., CO 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 909 147 399 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 1163 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 673 520 41 Vodafone-, EG 36992 656 950 346 ETISALAT-MISR, EG 36914 473 82 3 KENET-AS, KE 36903 415 192 302 MT-MPLS, MA 15399 412 36 178 WANANCHI-, KE 29571 388 36 161 ORANGE-COTE-IVOIRE, CI 2018 381 319 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 9382 11178 3324 AMAZON-02, US 8151 5864 1671 1013 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 2997 3847 1423 DNIC-ASBLK-00306-00371, US 7018 2567 23618 1602 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 5650 1891 2744 1316 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 9382 6058 AMAZON-02, US 8151 5864 4851 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 1841 1618 ATLANTICBB-JOHNSTOWN, US 367 2997 1574 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1504 1470 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 /13:189 /14:503 /15:1001 /16:7444 /17:3512 /18:4053 /19:7876 /20:12315 /21:15456 /22:28796 /23:29187 /24:148384 /25:84 /26:62 /27:71 /28:18 /29:22 /30:16 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3106 5864 UNINET, MX 22773 2562 3504 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1923 9382 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 7018 1130 2567 ATT-INTERNET4, US 10620 1127 1874 Telmex Colombia S.A., CO 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) ---------------------------------------------- 1:13 2:530 3:245 4:5 5:1324 6:149 7:5 8:729 11:171 12:1095 13:315 14:104 15:283 16:167 17:7 18:646 20:219 21:4 22:188 23:2432 24:762 25:2 27:25 29:19 31:444 32:37 34:2 35:56 36:1063 37:944 38:1360 39:502 40:61 41:1000 42:21 43:206 44:42 45:3412 46:869 47:155 49:13 50:340 51:480 52:1385 54:354 55:874 56:5 57:23 58:34 59:32 60:18 61:70 62:608 63:887 64:2086 65:1192 66:2271 67:964 68:643 69:1247 70:498 71:264 72:696 74:1055 75:432 76:226 77:333 78:560 79:255 80:395 81:347 82:313 83:161 84:368 85:433 86:213 87:275 88:227 89:636 90:91 91:950 92:496 93:935 94:647 95:1250 96:280 97:72 98:538 99:163 100:45 101:27 102:297 103:1210 104:1426 105:66 106:42 107:1382 108:518 109:336 110:35 111:1736 112:474 113:48 114:32 115:18 116:48 117:955 118:64 119:123 120:1081 121:42 122:92 123:80 124:57 125:17 128:478 129:375 130:614 131:1108 132:556 133:267 134:457 135:124 136:411 137:548 138:915 139:534 140:583 141:272 142:787 143:671 144:375 145:89 146:598 147:418 148:693 149:702 150:292 151:589 152:544 153:146 154:643 155:763 156:624 157:327 158:436 159:677 160:667 161:635 162:946 163:405 164:663 165:585 166:586 167:626 168:1479 169:182 170:1568 171:97 172:1319 173:828 174:284 175:48 176:825 177:860 178:389 179:733 180:51 181:1777 182:15 183:879 184:505 185:3438 186:2075 187:892 188:733 189:1303 190:4864 191:371 192:4928 193:1963 194:1459 195:1147 196:919 197:848 198:2600 199:3189 200:3504 201:3229 202:1087 203:632 204:2253 205:1883 206:1662 207:1442 208:1452 209:1945 210:333 211:475 212:1040 213:863 214:1074 215:57 216:2530 217:612 218:521 219:23 220:29 221:287 222:34 223:621 End of report