IPv4 R&E Routing Table Report 20:15 GMT Sat 27 Jan, 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: 190146 Prefixes after maximum aggregation (per Origin AS): 83221 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103985 Number of IPv4 prefixes with a valid ROA: 72559 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 117564 Total ASes present in the Internet Routing Table: 16211 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 14044 Origin ASes announcing only one prefix: 6460 Transit ASes present in the Internet Routing Table: 2167 Transit-only ASes present in the Internet Routing Table: 598 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: 231 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 43487 Number of 32-bit ASNs visible in the Routing Table: 5893 Prefixes from 32-bit ASNs in the Routing Table: 19667 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: 77 Number of addresses announced to Internet: 1076628649 Equivalent to 64 /8s, 44 /16s and 12 /24s Percentage of available address space announced: 29.1 Percentage of allocated address space announced: 29.1 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: 56645 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28956 Total APNIC prefixes after maximum aggregation: 6576 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28674 Unique aggregates announced from the APNIC address blocks: 7748 APNIC Region origin ASes present in the Internet Routing Table: 1071 APNIC Prefixes per ASN: 26.77 APNIC Region origin ASes announcing only one prefix: 445 APNIC Region transit ASes present in the Internet Routing Table: 176 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 464 Number of APNIC addresses announced to Internet: 172859528 Equivalent to 10 /8s, 77 /16s and 160 /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: 83454 Total ARIN prefixes after maximum aggregation: 45864 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82783 Unique aggregates announced from the ARIN address blocks: 51908 ARIN Region origin ASes present in the Internet Routing Table: 7406 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3181 ARIN Region transit ASes present in the Internet Routing Table: 657 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: 1510 Number of ARIN addresses announced to Internet: 606641889 Equivalent to 36 /8s, 40 /16s and 158 /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: 39501 Total RIPE prefixes after maximum aggregation: 18424 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 39472 Unique aggregates announced from the RIPE address blocks: 25520 RIPE Region origin ASes present in the Internet Routing Table: 3600 RIPE Prefixes per ASN: 10.96 RIPE Region origin ASes announcing only one prefix: 1580 RIPE Region transit ASes present in the Internet Routing Table: 527 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1300 Number of RIPE addresses announced to Internet: 194437952 Equivalent to 11 /8s, 150 /16s and 227 /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: 33241 Total LACNIC prefixes after maximum aggregation: 10457 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 32981 Unique aggregates announced from the LACNIC address blocks: 15892 LACNIC Region origin ASes present in the Internet Routing Table: 3237 LACNIC Prefixes per ASN: 10.19 LACNIC Region origin ASes announcing only one prefix: 1173 LACNIC Region transit ASes present in the Internet Routing Table: 639 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: 2522 Number of LACNIC addresses announced to Internet: 74394624 Equivalent to 4 /8s, 111 /16s and 44 /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: 4763 Total AfriNIC prefixes after maximum aggregation: 1713 AfriNIC Deaggregation factor: 2.78 Prefixes being announced from the AfriNIC address blocks: 6159 Unique aggregates announced from the AfriNIC address blocks: 2842 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 29.90 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 97 Number of AfriNIC addresses announced to Internet: 28254464 Equivalent to 1 /8s, 175 /16s and 33 /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 9619 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1468 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1441 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1436 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 782 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 445 488 104 CMNET-GUANGDONG-AP China Mobile communi 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 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 9518 11236 3361 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2912 3728 1417 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 669 DNIC-ASBLK-05800-06055, US 4155 1088 71 893 USDA-1, US 7979 974 64 193 SERVERS-COM, US 855 963 255 83 CANET-ASN-4, CA 16625 916 433 842 AKAMAI-AS, 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1406 120 1135 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 723 60 22 Jordan Data Communications, JO 8452 659 1841 11 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 435 77 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, 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 5245 1530 955 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1045 324 7 Instituto Costarricense de Electricidad 18881 986 1120 28 TELEFONICA BRASIL S.A, BR 11664 578 106 218 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27651 329 62 8 ENTEL CHILE S.A., CL 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 566 275 157 LINKdotNET-AS, EG 36914 476 82 3 KENET-AS, KE 29571 410 30 210 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 305 670 169 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 169 471 43 ORANGE-, TN 327687 161 28 3 RENU, UG 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 9619 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9518 11236 3361 AMAZON-02, US 8151 5245 1530 955 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2912 3728 1417 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 669 DNIC-ASBLK-05800-06055, US 56047 1468 188 34 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 16509 9518 6157 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5245 4290 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2912 1495 DNIC-ASBLK-00306-00371, US 56047 1468 1434 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1441 1368 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1436 1329 CMNET-JIANGSU-AP China Mobile communications co 3816 1305 1108 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 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 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 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 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 /10:14 /11:30 /12:78 /13:130 /14:366 /15:743 /16:5602 /17:2682 /18:2813 /19:5742 /20:9179 /21:11310 /22:20827 /23:20814 /24:109544 /25:79 /26:50 /27:67 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2842 5245 UNINET, MX 16509 1988 9518 AMAZON-02, US 209 968 1713 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 11830 885 1045 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 670 807 BRSPD-PUBLIC, US 8376 566 723 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:502 3:256 5:1084 6:150 7:5 8:617 11:171 12:254 13:318 14:102 15:279 16:168 17:6 18:671 20:30 21:4 22:188 23:1853 24:539 25:2 27:15 29:19 31:235 32:2 34:2 35:52 36:1109 37:504 38:841 39:515 40:8 41:633 42:12 43:171 44:38 45:2412 46:601 47:148 49:14 50:303 51:468 52:1365 54:322 55:883 57:18 58:7 59:31 60:19 61:59 62:315 63:477 64:1538 65:825 66:1324 67:723 68:153 69:774 70:157 71:210 72:379 74:760 75:389 76:214 77:243 78:564 79:163 80:199 81:210 82:189 83:91 84:176 85:336 86:148 87:169 88:140 89:307 90:97 91:581 92:390 93:796 94:485 95:1101 96:167 97:36 98:129 99:147 100:41 101:22 102:192 103:942 104:758 105:62 106:2 107:285 108:358 109:227 110:32 111:1744 112:445 113:40 114:30 115:11 116:30 117:951 118:46 119:96 120:1086 121:32 122:86 123:20 124:55 125:11 128:411 129:286 130:507 131:785 132:512 133:263 134:333 135:67 136:369 137:422 138:737 139:461 140:510 141:178 142:754 143:615 144:322 145:87 146:487 147:333 148:583 149:522 150:281 151:542 152:356 153:113 154:462 155:657 156:403 157:237 158:316 159:532 160:543 161:458 162:703 163:271 164:611 165:395 166:126 167:379 168:973 169:148 170:1224 171:60 172:977 173:635 174:114 175:38 176:421 177:778 178:291 179:525 180:43 181:1062 182:10 183:861 184:215 185:2302 186:1048 187:774 188:534 189:1019 190:2996 191:233 192:3750 193:1369 194:900 195:674 196:463 197:651 198:1966 199:2959 200:2902 201:2600 202:910 203:594 204:1793 205:1612 206:1095 207:1089 208:995 209:1379 210:310 211:458 212:765 213:665 214:1061 215:39 216:1759 217:348 218:516 219:29 220:28 221:292 222:23 223:621 End of report