IPv4 R&E Routing Table Report 20:15 GMT Sat 30 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: 256936 Prefixes after maximum aggregation (per Origin AS): 114101 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138764 Number of IPv4 prefixes with a valid ROA: 97548 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 159360 Total ASes present in the Internet Routing Table: 20624 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 17953 Origin ASes announcing only one prefix: 8021 Transit ASes present in the Internet Routing Table: 2671 Transit-only ASes present in the Internet Routing Table: 654 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: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 376 Number of instances of unregistered ASNs: 376 Number of 32-bit ASNs allocated by the RIRs: 43286 Number of 32-bit ASNs visible in the Routing Table: 7439 Prefixes from 32-bit ASNs in the Routing Table: 26591 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: 125 Number of addresses announced to Internet: 1487212137 Equivalent to 88 /8s, 165 /16s and 14 /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: 86891 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30537 Total APNIC prefixes after maximum aggregation: 7244 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30191 Unique aggregates announced from the APNIC address blocks: 8394 APNIC Region origin ASes present in the Internet Routing Table: 1183 APNIC Prefixes per ASN: 25.52 APNIC Region origin ASes announcing only one prefix: 483 APNIC Region transit ASes present in the Internet Routing Table: 193 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 516 Number of APNIC addresses announced to Internet: 214548360 Equivalent to 12 /8s, 201 /16s and 191 /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: 119448 Total ARIN prefixes after maximum aggregation: 62818 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119306 Unique aggregates announced from the ARIN address blocks: 69568 ARIN Region origin ASes present in the Internet Routing Table: 9609 ARIN Prefixes per ASN: 12.42 ARIN Region origin ASes announcing only one prefix: 3951 ARIN Region transit ASes present in the Internet Routing Table: 844 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: 2039 Number of ARIN addresses announced to Internet: 838434017 Equivalent to 49 /8s, 249 /16s and 124 /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: 55549 Total RIPE prefixes after maximum aggregation: 28152 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 54634 Unique aggregates announced from the RIPE address blocks: 36952 RIPE Region origin ASes present in the Internet Routing Table: 5143 RIPE Prefixes per ASN: 10.62 RIPE Region origin ASes announcing only one prefix: 2190 RIPE Region transit ASes present in the Internet Routing Table: 720 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1972 Number of RIPE addresses announced to Internet: 303491840 Equivalent to 18 /8s, 22 /16s and 235 /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: 42437 Total LACNIC prefixes after maximum aggregation: 13270 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41729 Unique aggregates announced from the LACNIC address blocks: 19938 LACNIC Region origin ASes present in the Internet Routing Table: 3634 LACNIC Prefixes per ASN: 11.48 LACNIC Region origin ASes announcing only one prefix: 1302 LACNIC Region transit ASes present in the Internet Routing Table: 736 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2799 Number of LACNIC addresses announced to Internet: 89893888 Equivalent to 5 /8s, 91 /16s and 172 /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: 8589 Total AfriNIC prefixes after maximum aggregation: 2327 AfriNIC Deaggregation factor: 3.69 Prefixes being announced from the AfriNIC address blocks: 10951 Unique aggregates announced from the AfriNIC address blocks: 3789 AfriNIC Region origin ASes present in the Internet Routing Table: 248 AfriNIC Prefixes per ASN: 44.16 AfriNIC Region origin ASes announcing only one prefix: 95 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 113 Number of AfriNIC addresses announced to Internet: 40770304 Equivalent to 2 /8s, 110 /16s and 27 /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 9599 8738 49 CHINAMOBILE-CN China Mobile Communicati 56047 1498 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1434 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1432 842 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 752 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 2907 601 2146 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 9394 474 4145 48 CTTNET China TieTong Telecommunications 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 9459 11200 3353 AMAZON-02, US 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2967 3839 1415 DNIC-ASBLK-00306-00371, US 7018 2503 23622 1571 ATT-INTERNET4, US 5650 2000 2760 1420 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1742 3091 458 CELLCO-PART, US 209 1710 4899 327 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 4641 279 54 ALJAWWALSTC-AS, SA 20940 1526 135 1220 AKAMAI-ASN1, NL 3215 893 4823 300 France Telecom - Orange, FR 25019 833 1035 152 SAUDINETSTC-AS, SA 8452 831 1841 14 TE-AS TE-AS, EG 61317 797 55 710 ASDETUK www.heficed.com, US 34984 750 87 476 TELLCOM-AS, TR 8376 722 59 21 Jordan Data Communications, JO 8386 708 109 239 KOCNET, TR 15897 584 188 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 5955 1678 1002 UNINET, MX 10620 2096 294 1296 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 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 926 151 400 Techtel LMDS Comunicaciones Interactiva 28006 617 75 280 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 1184 388 22 LINKdotNET-AS, EG 24835 1013 457 25 RAYA-AS, EG 36935 675 520 41 Vodafone-, EG 36992 655 950 340 ETISALAT-MISR, EG 36914 516 82 3 KENET-AS, KE 15399 430 38 147 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 398 37 168 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 9599 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9459 11200 3353 AMAZON-02, US 8151 5955 1678 1002 UNINET, MX 39891 4641 279 54 ALJAWWALSTC-AS, SA 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2967 3839 1415 DNIC-ASBLK-00306-00371, US 7018 2503 23622 1571 ATT-INTERNET4, US 10620 2096 294 1296 Telmex Colombia S.A., CO 11830 2007 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 9459 6106 AMAZON-02, US 8151 5955 4953 UNINET, MX 39891 4641 4587 ALJAWWALSTC-AS, SA 22773 3495 3202 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2007 1943 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2967 1552 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1498 1464 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1383 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 45.42.252.0/22 Origin: 16509 AMAZON-02, US 45.42.252.0/22 Transit: 24482 SGGS-AS-AP SG.GS, SG 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 /11:45 /12:130 /13:188 /14:508 /15:1035 /16:7449 /17:3487 /18:4030 /19:7889 /20:12232 /21:15422 /22:28497 /23:28968 /24:146728 /25:85 /26:61 /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 4641 ALJAWWALSTC-AS, SA 8151 3156 5955 UNINET, MX 22773 2552 3495 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1957 9459 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1705 2007 Instituto Costarricense de Electricidad y Telec 5650 1410 2000 FRONTIER-FRTR, US 10620 1276 2096 Telmex Colombia S.A., CO 7018 1093 2503 ATT-INTERNET4, US 209 965 1710 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) ---------------------------------------------- 1:15 2:523 3:252 4:5 5:1320 6:150 7:5 8:727 11:171 12:1097 13:316 14:103 15:285 16:167 17:6 18:659 20:244 21:4 22:188 23:2409 24:780 25:2 27:25 29:19 31:424 32:37 34:2 35:56 36:1106 37:844 38:1367 39:508 40:62 41:966 42:20 43:211 44:41 45:3354 46:871 47:153 49:22 50:344 51:478 52:1385 54:330 55:888 56:5 57:23 58:7 59:32 60:18 61:60 62:610 63:889 64:2100 65:1152 66:2251 67:951 68:589 69:1196 70:492 71:267 72:694 74:1048 75:437 76:244 77:344 78:611 79:254 80:372 81:347 82:278 83:157 84:348 85:476 86:199 87:281 88:220 89:579 90:101 91:955 92:498 93:926 94:694 95:1219 96:280 97:70 98:548 99:164 100:45 101:29 102:293 103:1198 104:1406 105:63 106:42 107:1402 108:535 109:325 110:32 111:1739 112:473 113:58 114:33 115:17 116:47 117:952 118:64 119:151 120:1072 121:37 122:90 123:79 124:57 125:16 128:445 129:378 130:609 131:1045 132:555 133:267 134:445 135:130 136:423 137:590 138:878 139:532 140:576 141:263 142:802 143:648 144:380 145:90 146:618 147:424 148:695 149:690 150:293 151:609 152:538 153:146 154:653 155:767 156:609 157:329 158:424 159:661 160:666 161:636 162:969 163:407 164:657 165:809 166:569 167:624 168:1421 169:182 170:1511 171:98 172:1287 173:860 174:279 175:42 176:824 177:839 178:382 179:673 180:60 181:1636 182:20 183:871 184:504 185:3426 186:1873 187:863 188:790 189:1328 190:4335 191:336 192:4910 193:2006 194:1456 195:1115 196:942 197:738 198:2581 199:3427 200:3191 201:3211 202:1094 203:643 204:2233 205:1861 206:1632 207:1413 208:1418 209:1928 210:336 211:472 212:1059 213:871 214:1071 215:44 216:2527 217:570 218:524 219:24 220:29 221:292 222:20 223:619 End of report