IPv4 R&E Routing Table Report 20:15 GMT Sat 03 Feb, 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: 188487 Prefixes after maximum aggregation (per Origin AS): 82619 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103718 Number of IPv4 prefixes with a valid ROA: 72365 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 116098 Total ASes present in the Internet Routing Table: 16022 Prefixes per ASN: 11.76 Origin-only ASes present in the Internet Routing Table: 13879 Origin ASes announcing only one prefix: 6372 Transit ASes present in the Internet Routing Table: 2143 Transit-only ASes present in the Internet Routing Table: 589 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: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 235 Number of instances of unregistered ASNs: 235 Number of 32-bit ASNs allocated by the RIRs: 43560 Number of 32-bit ASNs visible in the Routing Table: 5779 Prefixes from 32-bit ASNs in the Routing Table: 19391 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: 79 Number of addresses announced to Internet: 1071035707 Equivalent to 63 /8s, 214 /16s and 181 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 56049 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28866 Total APNIC prefixes after maximum aggregation: 6534 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28601 Unique aggregates announced from the APNIC address blocks: 7700 APNIC Region origin ASes present in the Internet Routing Table: 1056 APNIC Prefixes per ASN: 27.08 APNIC Region origin ASes announcing only one prefix: 430 APNIC Region transit ASes present in the Internet Routing Table: 173 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 451 Number of APNIC addresses announced to Internet: 172470410 Equivalent to 10 /8s, 71 /16s and 176 /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: 83098 Total ARIN prefixes after maximum aggregation: 45580 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82441 Unique aggregates announced from the ARIN address blocks: 51702 ARIN Region origin ASes present in the Internet Routing Table: 7370 ARIN Prefixes per ASN: 11.19 ARIN Region origin ASes announcing only one prefix: 3161 ARIN Region transit ASes present in the Internet Routing Table: 656 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: 1494 Number of ARIN addresses announced to Internet: 606606305 Equivalent to 36 /8s, 40 /16s and 19 /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: 39398 Total RIPE prefixes after maximum aggregation: 18341 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39379 Unique aggregates announced from the RIPE address blocks: 25574 RIPE Region origin ASes present in the Internet Routing Table: 3552 RIPE Prefixes per ASN: 11.09 RIPE Region origin ASes announcing only one prefix: 1554 RIPE Region transit ASes present in the Internet Routing Table: 529 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1292 Number of RIPE addresses announced to Internet: 190470608 Equivalent to 11 /8s, 90 /16s and 89 /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: 32302 Total LACNIC prefixes after maximum aggregation: 10243 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 32098 Unique aggregates announced from the LACNIC address blocks: 15818 LACNIC Region origin ASes present in the Internet Routing Table: 3155 LACNIC Prefixes per ASN: 10.17 LACNIC Region origin ASes announcing only one prefix: 1144 LACNIC Region transit ASes present in the Internet Routing Table: 621 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: 2447 Number of LACNIC addresses announced to Internet: 73456640 Equivalent to 4 /8s, 96 /16s and 220 /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: 4588 Total AfriNIC prefixes after maximum aggregation: 1731 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 5889 Unique aggregates announced from the AfriNIC address blocks: 2847 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 28.59 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 56 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: 95 Number of AfriNIC addresses announced to Internet: 27989248 Equivalent to 1 /8s, 171 /16s and 21 /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 9638 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 599 2146 471 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 439 488 106 CMNET-GUANGDONG-AP China Mobile communi 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 9587 11246 3379 AMAZON-02, US 749 3185 54927 2437 DNIC-AS-00749, US 367 2911 3722 1405 DNIC-ASBLK-00306-00371, US 11776 1853 254 221 ATLANTICBB-JOHNSTOWN, US 209 1708 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 4155 1115 73 908 USDA-1, US 7979 974 64 193 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 945 446 866 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 1385 118 1126 AKAMAI-ASN1, NL 3215 924 4887 294 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 723 60 22 Jordan Data Communications, JO 8452 631 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 435 77 184 CONTABO, DE 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 5255 1531 958 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 987 1120 28 TELEFONICA BRASIL S.A, BR 11664 582 107 220 Techtel LMDS Comunicaciones Interactiva 26599 549 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 27775 297 15 9 Telecommunicationcompany Suriname - Tel 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 519 273 158 LINKdotNET-AS, EG 36914 486 82 3 KENET-AS, KE 29571 411 30 212 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36992 321 692 176 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 212 166 119 RAYA-AS, EG 37492 170 471 44 ORANGE-, TN 327687 163 28 3 RENU, UG 37480 141 9 23 Cobranet, NG 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 9638 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9587 11246 3379 AMAZON-02, US 8151 5255 1531 958 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3185 54927 2437 DNIC-AS-00749, US 367 2911 3722 1405 DNIC-ASBLK-00306-00371, US 11776 1853 254 221 ATLANTICBB-JOHNSTOWN, US 209 1708 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 56047 1469 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 9587 6208 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5255 4297 UNINET, MX 11776 1853 1632 ATLANTICBB-JOHNSTOWN, US 367 2911 1506 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1708 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1109 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 /11:29 /12:77 /13:130 /14:361 /15:736 /16:5563 /17:2659 /18:2797 /19:5710 /20:9107 /21:11265 /22:20539 /23:20756 /24:108444 /25:88 /26:61 /27:74 /28:19 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2851 5255 UNINET, MX 16509 2025 9587 AMAZON-02, US 209 964 1708 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1853 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 672 809 BRSPD-PUBLIC, US 8376 571 723 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 2:482 3:260 5:1095 6:150 7:5 8:621 11:171 12:256 13:317 14:101 15:280 16:168 17:6 18:670 20:30 21:4 22:188 23:1873 24:537 25:2 27:15 29:19 31:235 32:2 34:2 35:53 36:1110 37:507 38:817 39:524 40:8 41:629 42:14 43:171 44:36 45:2354 46:599 47:148 49:10 50:282 51:468 52:1365 54:320 55:887 57:18 58:5 59:31 60:19 61:61 62:338 63:480 64:1533 65:823 66:1316 67:726 68:153 69:761 70:153 71:194 72:379 74:763 75:391 76:207 77:245 78:557 79:165 80:211 81:209 82:174 83:94 84:173 85:328 86:147 87:160 88:139 89:312 90:97 91:564 92:395 93:789 94:544 95:1102 96:169 97:35 98:133 99:147 100:42 101:25 102:191 103:930 104:709 105:16 106:2 107:298 108:329 109:223 110:26 111:1744 112:446 113:39 114:30 115:10 116:30 117:950 118:45 119:95 120:1088 121:32 122:88 123:20 124:55 125:11 128:415 129:286 130:509 131:770 132:507 133:263 134:331 135:69 136:367 137:445 138:716 139:455 140:520 141:176 142:721 143:615 144:321 145:77 146:488 147:324 148:587 149:513 150:277 151:547 152:355 153:113 154:467 155:654 156:365 157:236 158:315 159:519 160:538 161:456 162:688 163:281 164:594 165:390 166:127 167:386 168:965 169:150 170:1208 171:60 172:962 173:644 174:108 175:37 176:422 177:731 178:291 179:505 180:45 181:963 182:8 183:853 184:209 185:2297 186:1012 187:747 188:541 189:1051 190:2885 191:224 192:3735 193:1331 194:900 195:667 196:445 197:634 198:1947 199:2951 200:2752 201:2565 202:893 203:594 204:1762 205:1615 206:1099 207:1085 208:998 209:1395 210:304 211:447 212:762 213:665 214:1062 215:37 216:1724 217:353 218:515 219:29 220:28 221:292 222:23 223:621 End of report