IPv4 R&E Routing Table Report 20:15 GMT Sun 10 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: 255685 Prefixes after maximum aggregation (per Origin AS): 113143 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 137862 Number of IPv4 prefixes with a valid ROA: 96035 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 159622 Total ASes present in the Internet Routing Table: 20649 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 17979 Origin ASes announcing only one prefix: 8030 Transit ASes present in the Internet Routing Table: 2670 Transit-only ASes present in the Internet Routing Table: 663 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: 377 Number of instances of unregistered ASNs: 377 Number of 32-bit ASNs allocated by the RIRs: 43221 Number of 32-bit ASNs visible in the Routing Table: 7445 Prefixes from 32-bit ASNs in the Routing Table: 26323 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: 134 Number of addresses announced to Internet: 1485835081 Equivalent to 88 /8s, 144 /16s and 11 /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: 86406 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30679 Total APNIC prefixes after maximum aggregation: 7273 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30267 Unique aggregates announced from the APNIC address blocks: 8392 APNIC Region origin ASes present in the Internet Routing Table: 1203 APNIC Prefixes per ASN: 25.16 APNIC Region origin ASes announcing only one prefix: 488 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 528 Number of APNIC addresses announced to Internet: 213108360 Equivalent to 12 /8s, 179 /16s and 198 /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: 118786 Total ARIN prefixes after maximum aggregation: 62407 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118749 Unique aggregates announced from the ARIN address blocks: 68949 ARIN Region origin ASes present in the Internet Routing Table: 9629 ARIN Prefixes per ASN: 12.33 ARIN Region origin ASes announcing only one prefix: 3962 ARIN Region transit ASes present in the Internet Routing Table: 862 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: 841564353 Equivalent to 50 /8s, 41 /16s and 64 /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: 54998 Total RIPE prefixes after maximum aggregation: 27647 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54011 Unique aggregates announced from the RIPE address blocks: 36392 RIPE Region origin ASes present in the Internet Routing Table: 5121 RIPE Prefixes per ASN: 10.55 RIPE Region origin ASes announcing only one prefix: 2191 RIPE Region transit ASes present in the Internet Routing Table: 703 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: 1956 Number of RIPE addresses announced to Internet: 302297600 Equivalent to 18 /8s, 4 /16s and 178 /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: 42142 Total LACNIC prefixes after maximum aggregation: 13156 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41452 Unique aggregates announced from the LACNIC address blocks: 19967 LACNIC Region origin ASes present in the Internet Routing Table: 3629 LACNIC Prefixes per ASN: 11.42 LACNIC Region origin ASes announcing only one prefix: 1300 LACNIC Region transit ASes present in the Internet Routing Table: 727 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: 2802 Number of LACNIC addresses announced to Internet: 88055040 Equivalent to 5 /8s, 63 /16s and 157 /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: 8703 Total AfriNIC prefixes after maximum aggregation: 2374 AfriNIC Deaggregation factor: 3.67 Prefixes being announced from the AfriNIC address blocks: 11072 Unique aggregates announced from the AfriNIC address blocks: 4035 AfriNIC Region origin ASes present in the Internet Routing Table: 250 AfriNIC Prefixes per ASN: 44.29 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 65 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: 117 Number of AfriNIC addresses announced to Internet: 40668928 Equivalent to 2 /8s, 108 /16s and 143 /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 9562 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1505 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1417 834 106 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 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 663 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 9428 11183 3338 AMAZON-02, US 22773 3498 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2974 3837 1409 DNIC-ASBLK-00306-00371, US 7018 2576 23628 1594 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1843 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1733 3034 443 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 4502 267 55 ALJAWWALSTC-AS, SA 20940 1581 140 1254 AKAMAI-ASN1, NL 61317 907 59 764 ASDETUK www.heficed.com, US 8452 904 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 872 1035 152 SAUDINETSTC-AS, SA 34984 829 107 526 TELLCOM-AS, TR 8386 707 109 242 KOCNET, TR 15897 580 188 20 VODAFONETURKEY, TR 3320 504 8311 427 DTAG Internet service provider operatio 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 5875 1672 1008 UNINET, MX 10620 2165 307 1310 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 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 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 920 148 402 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 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 1173 388 22 LINKdotNET-AS, EG 24835 1029 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 988 337 ETISALAT-MISR, EG 15399 424 36 169 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 383 36 160 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36914 376 82 3 KENET-AS, KE 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 9562 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9428 11183 3338 AMAZON-02, US 8151 5875 1672 1008 UNINET, MX 39891 4502 267 55 ALJAWWALSTC-AS, SA 22773 3498 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2974 3837 1409 DNIC-ASBLK-00306-00371, US 7018 2576 23628 1594 ATT-INTERNET4, US 10620 2165 307 1310 Telmex Colombia S.A., CO 11830 2005 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 9428 6090 AMAZON-02, US 8151 5875 4867 UNINET, MX 39891 4502 4447 ALJAWWALSTC-AS, SA 22773 3498 3203 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1843 1622 ATLANTICBB-JOHNSTOWN, US 367 2974 1565 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1505 1471 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 /13:188 /14:499 /15:1000 /16:7425 /17:3488 /18:4024 /19:7858 /20:12273 /21:15419 /22:28594 /23:28977 /24:145440 /25:85 /26:61 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3256 4502 ALJAWWALSTC-AS, SA 8151 3114 5875 UNINET, MX 22773 2556 3498 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1933 9428 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1299 2165 Telmex Colombia S.A., CO 7018 1127 2576 ATT-INTERNET4, US 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) ---------------------------------------------- 1:14 2:529 3:248 4:5 5:1298 6:149 7:5 8:729 11:171 12:1093 13:306 14:101 15:282 16:167 17:6 18:655 20:232 21:4 22:188 23:2391 24:779 25:2 27:25 29:19 31:432 32:37 34:2 35:56 36:1063 37:914 38:1337 39:503 40:61 41:980 42:20 43:207 44:42 45:3332 46:776 47:154 49:20 50:336 51:477 52:1389 54:355 55:801 56:5 57:23 58:7 59:32 60:18 61:71 62:584 63:889 64:2068 65:1155 66:2289 67:955 68:607 69:1251 70:495 71:263 72:691 74:1052 75:432 76:226 77:272 78:601 79:201 80:377 81:330 82:315 83:158 84:363 85:426 86:215 87:298 88:227 89:598 90:90 91:937 92:509 93:933 94:596 95:1220 96:278 97:70 98:547 99:162 100:45 101:27 102:289 103:1205 104:1395 105:69 106:42 107:1364 108:531 109:330 110:34 111:1733 112:472 113:48 114:33 115:18 116:47 117:954 118:64 119:151 120:1081 121:41 122:92 123:81 124:57 125:15 128:452 129:377 130:611 131:1089 132:558 133:267 134:439 135:120 136:416 137:544 138:885 139:543 140:579 141:272 142:786 143:667 144:374 145:90 146:596 147:383 148:689 149:685 150:291 151:587 152:517 153:146 154:626 155:763 156:618 157:323 158:436 159:658 160:663 161:627 162:950 163:404 164:660 165:567 166:585 167:625 168:1392 169:184 170:1504 171:99 172:1315 173:837 174:282 175:40 176:824 177:845 178:385 179:664 180:50 181:1641 182:15 183:876 184:505 185:3374 186:1819 187:847 188:732 189:1316 190:4294 191:339 192:4924 193:1959 194:1408 195:1125 196:920 197:765 198:2594 199:3264 200:3188 201:3211 202:1108 203:645 204:2243 205:1843 206:1651 207:1412 208:1427 209:1952 210:336 211:475 212:1031 213:838 214:1068 215:57 216:2518 217:573 218:520 219:24 220:29 221:287 222:33 223:619 End of report