IPv4 R&E Routing Table Report 20:15 GMT Tue 20 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: 187081 Prefixes after maximum aggregation (per Origin AS): 81542 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102284 Number of IPv4 prefixes with a valid ROA: 72339 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 114718 Total ASes present in the Internet Routing Table: 15519 Prefixes per ASN: 12.05 Origin-only ASes present in the Internet Routing Table: 13447 Origin ASes announcing only one prefix: 6168 Transit ASes present in the Internet Routing Table: 2072 Transit-only ASes present in the Internet Routing Table: 541 Paths with bogon ASNs present in the IPv4 Routing Table: 4 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: 226 Number of instances of unregistered ASNs: 226 Number of 32-bit ASNs allocated by the RIRs: 43666 Number of 32-bit ASNs visible in the Routing Table: 5494 Prefixes from 32-bit ASNs in the Routing Table: 18472 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: 80 Number of addresses announced to Internet: 1069610041 Equivalent to 63 /8s, 192 /16s and 244 /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: 55526 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28574 Total APNIC prefixes after maximum aggregation: 6439 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 28373 Unique aggregates announced from the APNIC address blocks: 7450 APNIC Region origin ASes present in the Internet Routing Table: 1060 APNIC Prefixes per ASN: 26.77 APNIC Region origin ASes announcing only one prefix: 437 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 447 Number of APNIC addresses announced to Internet: 171033736 Equivalent to 10 /8s, 49 /16s and 196 /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: 81877 Total ARIN prefixes after maximum aggregation: 44828 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80894 Unique aggregates announced from the ARIN address blocks: 50320 ARIN Region origin ASes present in the Internet Routing Table: 7156 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3055 ARIN Region transit ASes present in the Internet Routing Table: 642 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: 1438 Number of ARIN addresses announced to Internet: 605188833 Equivalent to 36 /8s, 18 /16s and 114 /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: 38790 Total RIPE prefixes after maximum aggregation: 18063 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39128 Unique aggregates announced from the RIPE address blocks: 25427 RIPE Region origin ASes present in the Internet Routing Table: 3497 RIPE Prefixes per ASN: 11.19 RIPE Region origin ASes announcing only one prefix: 1521 RIPE Region transit ASes present in the Internet Routing Table: 526 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: 1262 Number of RIPE addresses announced to Internet: 189425872 Equivalent to 11 /8s, 74 /16s and 104 /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: 32256 Total LACNIC prefixes after maximum aggregation: 10111 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 32047 Unique aggregates announced from the LACNIC address blocks: 15707 LACNIC Region origin ASes present in the Internet Routing Table: 2972 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 1069 LACNIC Region transit ASes present in the Internet Routing Table: 574 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2247 Number of LACNIC addresses announced to Internet: 74372864 Equivalent to 4 /8s, 110 /16s and 215 /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: 5358 Total AfriNIC prefixes after maximum aggregation: 1917 AfriNIC Deaggregation factor: 2.79 Prefixes being announced from the AfriNIC address blocks: 6559 Unique aggregates announced from the AfriNIC address blocks: 3302 AfriNIC Region origin ASes present in the Internet Routing Table: 202 AfriNIC Prefixes per ASN: 32.47 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 60 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: 100 Number of AfriNIC addresses announced to Internet: 29541632 Equivalent to 1 /8s, 194 /16s and 197 /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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1444 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 440 180 23 CSTNET-AS-AP Computer Network Informati 56040 438 488 106 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 9547 11212 3383 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2920 3699 1420 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1471 394 648 DNIC-ASBLK-05800-06055, US 4155 1186 77 956 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 927 429 852 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 4754 286 59 ALJAWWALSTC-AS, SA 20940 1375 114 1108 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 715 60 22 Jordan Data Communications, JO 8452 572 1841 11 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 51167 437 79 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 419 61 345 TELLCOM-AS, 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 5685 1645 967 UNINET, MX 3816 1306 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 222 Techtel LMDS Comunicaciones Interactiva 26599 562 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 477 69 208 Mega Cable, S.A. de C.V., MX 28343 308 58 93 UNIFIQUE TELECOMUNICACOES SA, 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 29571 715 48 292 ORANGE-COTE-IVOIRE, CI 24863 670 284 179 LINKdotNET-AS, EG 36992 560 829 302 ETISALAT-MISR, EG 36914 487 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 36935 267 67 79 Vodafone-, EG 24835 187 158 107 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 161 28 3 RENU, UG 37693 145 595 51 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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9547 11212 3383 AMAZON-02, US 8151 5685 1645 967 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2920 3699 1420 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1471 394 648 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 9547 6164 AMAZON-02, US 8151 5685 4718 UNINET, MX 39891 4754 4695 ALJAWWALSTC-AS, SA 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2920 1500 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1709 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1444 1334 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1108 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 41.77.208.0/22 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 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 /12:76 /13:131 /14:361 /15:739 /16:5555 /17:2688 /18:2774 /19:5724 /20:8954 /21:11071 /22:20327 /23:20672 /24:107680 /25:83 /26:52 /27:73 /28:19 /29:21 /30:16 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3436 4754 ALJAWWALSTC-AS, SA 8151 3059 5685 UNINET, MX 16509 2026 9547 AMAZON-02, US 209 966 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1855 ATLANTICBB-JOHNSTOWN, US 11830 882 1042 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 680 818 BRSPD-PUBLIC, US 8376 558 715 Jordan Data Communications, JO 36914 472 487 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:463 3:264 5:1103 6:151 7:5 8:615 11:171 12:254 13:316 14:99 15:280 16:168 17:6 18:678 20:30 21:4 22:188 23:1872 24:391 25:2 27:18 29:19 31:217 32:1 34:2 35:53 36:1109 37:590 38:835 39:523 40:8 41:642 42:15 43:172 44:29 45:2256 46:619 47:148 49:10 50:249 51:475 52:1353 54:295 55:883 57:18 58:6 59:33 60:19 61:62 62:374 63:458 64:1515 65:807 66:1265 67:673 68:142 69:708 70:151 71:195 72:366 74:723 75:392 76:202 77:271 78:551 79:166 80:208 81:184 82:184 83:96 84:193 85:327 86:153 87:150 88:103 89:337 90:97 91:569 92:396 93:812 94:494 95:1101 96:167 97:30 98:128 99:147 100:22 101:26 102:180 103:954 104:682 105:141 106:2 107:225 108:303 109:215 110:26 111:1743 112:446 113:40 114:31 115:10 116:32 117:951 118:45 119:94 120:1089 121:31 122:78 123:20 124:57 125:11 128:413 129:282 130:506 131:769 132:510 133:265 134:333 135:69 136:357 137:430 138:724 139:425 140:561 141:193 142:698 143:590 144:314 145:80 146:498 147:319 148:589 149:500 150:279 151:546 152:354 153:118 154:475 155:656 156:304 157:231 158:314 159:527 160:764 161:455 162:695 163:289 164:595 165:382 166:103 167:365 168:913 169:150 170:1224 171:63 172:892 173:611 174:107 175:44 176:419 177:722 178:289 179:459 180:44 181:955 182:8 183:853 184:206 185:2325 186:1001 187:809 188:545 189:1081 190:2891 191:176 192:3689 193:1344 194:896 195:656 196:437 197:649 198:1889 199:2973 200:2734 201:2601 202:902 203:613 204:1731 205:1637 206:1101 207:1034 208:980 209:1360 210:292 211:445 212:753 213:653 214:1069 215:37 216:1672 217:352 218:515 219:19 220:30 221:292 222:18 223:627 End of report