IPv4 R&E Routing Table Report 20:15 GMT Wed 29 Nov, 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: 254955 Prefixes after maximum aggregation (per Origin AS): 112911 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 137491 Number of IPv4 prefixes with a valid ROA: 95212 Number of IPv4 prefixes with an invalid ROA: 33 Number of IPv4 prefixes with no ROA: 159710 Total ASes present in the Internet Routing Table: 20506 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 17869 Origin ASes announcing only one prefix: 7953 Transit ASes present in the Internet Routing Table: 2637 Transit-only ASes present in the Internet Routing Table: 669 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: 31 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 425 Number of instances of unregistered ASNs: 425 Number of 32-bit ASNs allocated by the RIRs: 43115 Number of 32-bit ASNs visible in the Routing Table: 7301 Prefixes from 32-bit ASNs in the Routing Table: 26084 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: 136 Number of addresses announced to Internet: 1487132489 Equivalent to 88 /8s, 163 /16s and 215 /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: 86181 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30612 Total APNIC prefixes after maximum aggregation: 7250 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30130 Unique aggregates announced from the APNIC address blocks: 8321 APNIC Region origin ASes present in the Internet Routing Table: 1190 APNIC Prefixes per ASN: 25.32 APNIC Region origin ASes announcing only one prefix: 476 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 521 Number of APNIC addresses announced to Internet: 213390216 Equivalent to 12 /8s, 184 /16s and 19 /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: 118802 Total ARIN prefixes after maximum aggregation: 62249 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118802 Unique aggregates announced from the ARIN address blocks: 68915 ARIN Region origin ASes present in the Internet Routing Table: 9645 ARIN Prefixes per ASN: 12.32 ARIN Region origin ASes announcing only one prefix: 3964 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: 2048 Number of ARIN addresses announced to Internet: 841957313 Equivalent to 50 /8s, 47 /16s and 63 /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: 55794 Total RIPE prefixes after maximum aggregation: 27834 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 54731 Unique aggregates announced from the RIPE address blocks: 36784 RIPE Region origin ASes present in the Internet Routing Table: 5119 RIPE Prefixes per ASN: 10.69 RIPE Region origin ASes announcing only one prefix: 2192 RIPE Region transit ASes present in the Internet Routing Table: 697 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: 1935 Number of RIPE addresses announced to Internet: 303449088 Equivalent to 18 /8s, 22 /16s and 68 /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: 40905 Total LACNIC prefixes after maximum aggregation: 12873 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 40311 Unique aggregates announced from the LACNIC address blocks: 19371 LACNIC Region origin ASes present in the Internet Routing Table: 3480 LACNIC Prefixes per ASN: 11.58 LACNIC Region origin ASes announcing only one prefix: 1233 LACNIC Region transit ASes present in the Internet Routing Table: 699 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: 2687 Number of LACNIC addresses announced to Internet: 87625984 Equivalent to 5 /8s, 57 /16s and 17 /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: 8417 Total AfriNIC prefixes after maximum aggregation: 2406 AfriNIC Deaggregation factor: 3.50 Prefixes being announced from the AfriNIC address blocks: 10845 Unique aggregates announced from the AfriNIC address blocks: 3972 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 45.00 AfriNIC Region origin ASes announcing only one prefix: 88 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: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 110 Number of AfriNIC addresses announced to Internet: 40567808 Equivalent to 2 /8s, 107 /16s and 4 /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 9552 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1501 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1414 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 9327 11139 3306 AMAZON-02, US 22773 3505 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3022 3866 1431 DNIC-ASBLK-00306-00371, US 7018 2589 23619 1604 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1837 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1716 4899 332 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 1588 140 1256 AKAMAI-ASN1, NL 3215 916 4899 290 France Telecom - Orange, FR 61317 896 60 769 ASDETUK www.heficed.com, US 8452 890 1841 14 TE-AS TE-AS, EG 58224 880 591 582 TCI, IR 25019 837 1035 152 SAUDINETSTC-AS, SA 34984 779 93 493 TELLCOM-AS, TR 8386 706 108 244 KOCNET, TR 8376 679 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 5857 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 1083 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 908 147 399 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 1174 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 36903 415 192 302 MT-MPLS, MA 15399 408 35 178 WANANCHI-, KE 29571 388 37 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 249 82 3 KENET-AS, KE 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 9552 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9327 11139 3306 AMAZON-02, US 8151 5857 1671 1013 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3505 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3022 3866 1431 DNIC-ASBLK-00306-00371, US 7018 2589 23619 1604 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 9327 6021 AMAZON-02, US 8151 5857 4844 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3505 3209 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1837 1614 ATLANTICBB-JOHNSTOWN, US 367 3022 1591 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1501 1467 CMNET-HUNAN-AP China Mobile communications corp 209 1716 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 /14:500 /15:1001 /16:7442 /17:3496 /18:4040 /19:7823 /20:12229 /21:15382 /22:28414 /23:28751 /24:145204 /25:77 /26:53 /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 3100 5857 UNINET, MX 22773 2563 3505 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1916 9327 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 7018 1155 2589 ATT-INTERNET4, US 10620 1127 1874 Telmex Colombia S.A., CO 209 967 1716 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 2:528 3:244 4:5 5:1320 6:151 7:5 8:732 11:171 12:1096 13:312 14:104 15:282 16:166 17:6 18:633 20:240 21:4 22:188 23:2380 24:756 25:2 27:25 29:19 31:438 32:39 34:2 35:56 36:1063 37:925 38:1322 39:502 40:61 41:872 42:21 43:204 44:43 45:3258 46:864 47:155 49:14 50:339 51:479 52:1384 54:354 55:866 56:5 57:23 58:34 59:32 60:18 61:70 62:596 63:882 64:2064 65:1146 66:2267 67:961 68:641 69:1266 70:500 71:264 72:707 74:1049 75:435 76:225 77:333 78:550 79:250 80:398 81:345 82:312 83:157 84:365 85:426 86:213 87:265 88:221 89:661 90:91 91:944 92:490 93:934 94:657 95:1248 96:281 97:72 98:538 99:163 100:45 101:26 102:302 103:1179 104:1412 105:67 106:42 107:1378 108:530 109:334 110:37 111:1735 112:470 113:43 114:32 115:18 116:44 117:951 118:64 119:125 120:1081 121:41 122:92 123:80 124:55 125:17 128:449 129:375 130:613 131:1087 132:555 133:267 134:446 135:124 136:410 137:546 138:844 139:533 140:578 141:264 142:785 143:662 144:374 145:89 146:596 147:422 148:692 149:703 150:295 151:565 152:519 153:146 154:652 155:767 156:624 157:316 158:441 159:679 160:664 161:637 162:952 163:406 164:660 165:570 166:588 167:621 168:1380 169:176 170:1541 171:100 172:1315 173:826 174:284 175:40 176:824 177:778 178:385 179:656 180:52 181:1592 182:15 183:880 184:506 185:3410 186:1813 187:883 188:812 189:1295 190:4141 191:305 192:4922 193:1959 194:1439 195:1131 196:924 197:613 198:2604 199:3158 200:3144 201:3167 202:1084 203:634 204:2245 205:1821 206:1645 207:1433 208:1437 209:1930 210:333 211:452 212:1024 213:859 214:1064 215:64 216:2521 217:612 218:521 219:23 220:29 221:289 222:33 223:622 End of report