IPv4 R&E Routing Table Report 20:15 GMT Wed 27 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: 256430 Prefixes after maximum aggregation (per Origin AS): 113887 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138474 Number of IPv4 prefixes with a valid ROA: 97373 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 159029 Total ASes present in the Internet Routing Table: 20598 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 17935 Origin ASes announcing only one prefix: 7996 Transit ASes present in the Internet Routing Table: 2663 Transit-only ASes present in the Internet Routing Table: 653 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: 374 Number of instances of unregistered ASNs: 374 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 7427 Prefixes from 32-bit ASNs in the Routing Table: 26635 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: 126 Number of addresses announced to Internet: 1487821417 Equivalent to 88 /8s, 174 /16s and 90 /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: 86996 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30491 Total APNIC prefixes after maximum aggregation: 7221 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30164 Unique aggregates announced from the APNIC address blocks: 8367 APNIC Region origin ASes present in the Internet Routing Table: 1185 APNIC Prefixes per ASN: 25.45 APNIC Region origin ASes announcing only one prefix: 483 APNIC Region transit ASes present in the Internet Routing Table: 194 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: 517 Number of APNIC addresses announced to Internet: 214596488 Equivalent to 12 /8s, 202 /16s and 123 /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: 118942 Total ARIN prefixes after maximum aggregation: 62589 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118903 Unique aggregates announced from the ARIN address blocks: 69200 ARIN Region origin ASes present in the Internet Routing Table: 9605 ARIN Prefixes per ASN: 12.38 ARIN Region origin ASes announcing only one prefix: 3950 ARIN Region transit ASes present in the Internet Routing Table: 847 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: 2042 Number of ARIN addresses announced to Internet: 840416737 Equivalent to 50 /8s, 23 /16s and 189 /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: 55717 Total RIPE prefixes after maximum aggregation: 28198 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54689 Unique aggregates announced from the RIPE address blocks: 36936 RIPE Region origin ASes present in the Internet Routing Table: 5136 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 2175 RIPE Region transit ASes present in the Internet Routing Table: 719 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: 1967 Number of RIPE addresses announced to Internet: 303723776 Equivalent to 18 /8s, 26 /16s and 117 /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: 42191 Total LACNIC prefixes after maximum aggregation: 13246 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 41497 Unique aggregates announced from the LACNIC address blocks: 19942 LACNIC Region origin ASes present in the Internet Routing Table: 3617 LACNIC Prefixes per ASN: 11.47 LACNIC Region origin ASes announcing only one prefix: 1292 LACNIC Region transit ASes present in the Internet Routing Table: 730 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: 2787 Number of LACNIC addresses announced to Internet: 88183040 Equivalent to 5 /8s, 65 /16s and 145 /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: 8715 Total AfriNIC prefixes after maximum aggregation: 2345 AfriNIC Deaggregation factor: 3.72 Prefixes being announced from the AfriNIC address blocks: 11051 Unique aggregates announced from the AfriNIC address blocks: 3905 AfriNIC Region origin ASes present in the Internet Routing Table: 249 AfriNIC Prefixes per ASN: 44.38 AfriNIC Region origin ASes announcing only one prefix: 96 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: 114 Number of AfriNIC addresses announced to Internet: 40827392 Equivalent to 2 /8s, 110 /16s and 250 /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 9600 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 1431 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 599 2161 463 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 9468 11202 3344 AMAZON-02, US 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2972 3859 1419 DNIC-ASBLK-00306-00371, US 7018 2527 23623 1573 ATT-INTERNET4, US 5650 1984 2758 1409 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 1522 136 1219 AKAMAI-ASN1, NL 3215 893 4823 300 France Telecom - Orange, FR 25019 833 1035 152 SAUDINETSTC-AS, SA 8452 829 1841 14 TE-AS TE-AS, EG 61317 799 55 712 ASDETUK www.heficed.com, US 34984 753 87 478 TELLCOM-AS, TR 8376 723 59 21 Jordan Data Communications, JO 8386 707 109 242 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 5868 1661 1001 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1049 2502 52 TIM SA, BR 18881 992 1120 28 TELEFONICA BRASIL S.A, BR 11664 927 151 401 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 1174 388 22 LINKdotNET-AS, EG 24835 1013 457 25 RAYA-AS, EG 36935 671 520 41 Vodafone-, EG 36992 655 950 340 ETISALAT-MISR, EG 36914 513 82 3 KENET-AS, KE 15399 430 38 145 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 390 36 163 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 9600 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9468 11202 3344 AMAZON-02, US 8151 5868 1661 1001 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 2972 3859 1419 DNIC-ASBLK-00306-00371, US 7018 2527 23623 1573 ATT-INTERNET4, US 10620 2214 313 1315 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 9468 6124 AMAZON-02, US 8151 5868 4867 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 2972 1553 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 /10:29 /11:45 /12:130 /13:188 /14:499 /15:1001 /16:7441 /17:3475 /18:4013 /19:7883 /20:12265 /21:15400 /22:28524 /23:28971 /24:146287 /25:73 /26:54 /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 3324 4641 ALJAWWALSTC-AS, SA 8151 3092 5868 UNINET, MX 22773 2552 3495 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1953 9468 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1705 2007 Instituto Costarricense de Electricidad y Telec 5650 1404 1984 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1101 2527 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 2:525 3:251 4:5 5:1315 6:150 7:5 8:731 11:171 12:1098 13:314 14:103 15:285 16:167 17:6 18:660 20:244 21:4 22:188 23:2398 24:781 25:2 27:25 29:19 31:428 32:37 34:2 35:57 36:1106 37:908 38:1356 39:508 40:62 41:990 42:20 43:214 44:41 45:3371 46:864 47:151 49:22 50:342 51:478 52:1387 54:339 55:892 56:5 57:23 58:7 59:32 60:18 61:60 62:597 63:889 64:2072 65:1152 66:2229 67:952 68:589 69:1205 70:493 71:266 72:689 74:1048 75:438 76:244 77:345 78:610 79:252 80:371 81:347 82:275 83:156 84:348 85:465 86:198 87:284 88:220 89:575 90:102 91:942 92:497 93:932 94:688 95:1220 96:280 97:70 98:548 99:164 100:45 101:28 102:297 103:1175 104:1401 105:64 106:42 107:1401 108:531 109:326 110:32 111:1740 112:473 113:61 114:33 115:17 116:47 117:952 118:64 119:151 120:1072 121:37 122:87 123:79 124:57 125:16 128:445 129:378 130:610 131:1049 132:557 133:267 134:453 135:122 136:394 137:590 138:863 139:530 140:575 141:280 142:802 143:645 144:380 145:90 146:606 147:423 148:692 149:712 150:293 151:609 152:538 153:146 154:633 155:762 156:598 157:329 158:428 159:660 160:666 161:637 162:970 163:405 164:656 165:565 166:575 167:618 168:1388 169:182 170:1500 171:98 172:1283 173:858 174:279 175:42 176:816 177:833 178:383 179:674 180:60 181:1640 182:16 183:869 184:503 185:3423 186:1882 187:870 188:785 189:1283 190:4369 191:341 192:4911 193:1983 194:1453 195:1118 196:941 197:850 198:2572 199:3415 200:3108 201:3206 202:1094 203:643 204:2230 205:1835 206:1624 207:1406 208:1419 209:1939 210:335 211:472 212:1050 213:869 214:1077 215:44 216:2526 217:569 218:524 219:24 220:29 221:292 222:20 223:619 End of report