IPv4 R&E Routing Table Report 20:15 GMT Fri 09 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: 187169 Prefixes after maximum aggregation (per Origin AS): 82168 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 102960 Number of IPv4 prefixes with a valid ROA: 71777 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 115368 Total ASes present in the Internet Routing Table: 15966 Prefixes per ASN: 11.72 Origin-only ASes present in the Internet Routing Table: 13836 Origin ASes announcing only one prefix: 6346 Transit ASes present in the Internet Routing Table: 2130 Transit-only ASes present in the Internet Routing Table: 572 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: 227 Number of instances of unregistered ASNs: 227 Number of 32-bit ASNs allocated by the RIRs: 43591 Number of 32-bit ASNs visible in the Routing Table: 5709 Prefixes from 32-bit ASNs in the Routing Table: 18869 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: 87 Number of addresses announced to Internet: 1069313337 Equivalent to 63 /8s, 188 /16s and 109 /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: 55855 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28574 Total APNIC prefixes after maximum aggregation: 6409 APNIC Deaggregation factor: 4.46 Prefixes being announced from the APNIC address blocks: 28336 Unique aggregates announced from the APNIC address blocks: 7418 APNIC Region origin ASes present in the Internet Routing Table: 1044 APNIC Prefixes per ASN: 27.14 APNIC Region origin ASes announcing only one prefix: 420 APNIC Region transit ASes present in the Internet Routing Table: 174 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: 439 Number of APNIC addresses announced to Internet: 171995784 Equivalent to 10 /8s, 64 /16s and 114 /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: 82986 Total ARIN prefixes after maximum aggregation: 45525 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82395 Unique aggregates announced from the ARIN address blocks: 51676 ARIN Region origin ASes present in the Internet Routing Table: 7351 ARIN Prefixes per ASN: 11.21 ARIN Region origin ASes announcing only one prefix: 3146 ARIN Region transit ASes present in the Internet Routing Table: 653 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: 1488 Number of ARIN addresses announced to Internet: 606107105 Equivalent to 36 /8s, 32 /16s and 117 /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: 38845 Total RIPE prefixes after maximum aggregation: 18264 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 38899 Unique aggregates announced from the RIPE address blocks: 25327 RIPE Region origin ASes present in the Internet Routing Table: 3600 RIPE Prefixes per ASN: 10.81 RIPE Region origin ASes announcing only one prefix: 1577 RIPE Region transit ASes present in the Internet Routing Table: 538 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: 1306 Number of RIPE addresses announced to Internet: 189319120 Equivalent to 11 /8s, 72 /16s and 199 /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: 31753 Total LACNIC prefixes after maximum aggregation: 10042 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31492 Unique aggregates announced from the LACNIC address blocks: 15567 LACNIC Region origin ASes present in the Internet Routing Table: 3105 LACNIC Prefixes per ASN: 10.14 LACNIC Region origin ASes announcing only one prefix: 1126 LACNIC Region transit ASes present in the Internet Routing Table: 612 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: 2386 Number of LACNIC addresses announced to Internet: 73645568 Equivalent to 4 /8s, 99 /16s and 190 /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: 4784 Total AfriNIC prefixes after maximum aggregation: 1742 AfriNIC Deaggregation factor: 2.75 Prefixes being announced from the AfriNIC address blocks: 5960 Unique aggregates announced from the AfriNIC address blocks: 2887 AfriNIC Region origin ASes present in the Internet Routing Table: 201 AfriNIC Prefixes per ASN: 29.65 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 90 Number of AfriNIC addresses announced to Internet: 28197632 Equivalent to 1 /8s, 174 /16s and 67 /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 9635 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 601 2162 465 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 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 9613 11223 3395 AMAZON-02, US 749 3184 54927 2436 DNIC-AS-00749, US 367 2927 3730 1427 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1477 395 656 DNIC-ASBLK-05800-06055, US 4155 1150 75 930 USDA-1, US 7979 979 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 924 434 850 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 1351 112 1096 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 724 60 22 Jordan Data Communications, JO 15897 551 183 28 VODAFONETURKEY, TR 8452 516 1841 12 TE-AS TE-AS, EG 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 435 77 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, 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 5295 1569 960 UNINET, MX 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 588 108 222 Techtel LMDS Comunicaciones Interactiva 26599 547 2941 45 TELEFONICA BRASIL S.A, BR 10620 513 69 429 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 22368 247 27 75 TELEBUCARAMANGA S.A. E.S.P., CO 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 585 272 148 LINKdotNET-AS, EG 36992 489 777 258 ETISALAT-MISR, EG 36914 485 82 3 KENET-AS, KE 29571 415 30 215 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 24835 204 164 112 RAYA-AS, EG 37492 170 471 44 ORANGE-, TN 327687 158 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 9635 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9613 11223 3395 AMAZON-02, US 8151 5295 1569 960 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3184 54927 2436 DNIC-AS-00749, US 367 2927 3730 1427 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1477 395 656 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 9613 6218 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5295 4335 UNINET, MX 11776 1854 1632 ATLANTICBB-JOHNSTOWN, US 367 2927 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 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1114 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 /14:362 /15:738 /16:5548 /17:2655 /18:2743 /19:5697 /20:8803 /21:10902 /22:20345 /23:20622 /24:108224 /25:79 /26:51 /27:73 /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 2873 5295 UNINET, MX 16509 2017 9613 AMAZON-02, US 209 965 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1854 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 685 1087 Telefonica del Peru S.A.A., PE 19901 677 814 BRSPD-PUBLIC, US 8376 566 724 Jordan Data Communications, JO 15897 471 551 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:399 3:265 5:1102 6:152 7:5 8:620 11:171 12:253 13:318 14:98 15:280 16:168 17:6 18:679 20:30 21:4 22:188 23:1868 24:540 25:2 27:16 29:19 31:232 32:2 34:2 35:53 36:1110 37:552 38:873 39:523 40:8 41:637 42:14 43:168 44:30 45:2315 46:610 47:148 49:10 50:261 51:468 52:1363 54:304 55:884 57:17 58:5 59:31 60:19 61:62 62:378 63:472 64:1535 65:817 66:1327 67:721 68:151 69:761 70:156 71:193 72:381 74:756 75:392 76:207 77:271 78:552 79:165 80:203 81:212 82:173 83:95 84:184 85:328 86:153 87:133 88:136 89:328 90:97 91:568 92:392 93:804 94:487 95:1123 96:170 97:35 98:131 99:147 100:42 101:25 102:184 103:953 104:702 105:16 106:2 107:299 108:320 109:224 110:30 111:1742 112:446 113:40 114:31 115:8 116:32 117:951 118:45 119:98 120:1088 121:31 122:79 123:20 124:55 125:11 128:351 129:286 130:510 131:771 132:509 133:264 134:333 135:69 136:367 137:433 138:699 139:428 140:532 141:193 142:725 143:602 144:311 145:77 146:490 147:326 148:594 149:522 150:279 151:550 152:356 153:113 154:461 155:658 156:331 157:234 158:320 159:522 160:535 161:440 162:684 163:285 164:593 165:390 166:125 167:383 168:900 169:151 170:1211 171:60 172:963 173:632 174:108 175:36 176:419 177:671 178:275 179:461 180:46 181:952 182:8 183:853 184:208 185:2348 186:1003 187:782 188:533 189:1047 190:2915 191:189 192:3731 193:1329 194:897 195:661 196:452 197:641 198:1945 199:2988 200:2717 201:2622 202:912 203:615 204:1767 205:1624 206:1093 207:1081 208:997 209:1391 210:291 211:445 212:763 213:666 214:1068 215:37 216:1706 217:368 218:515 219:19 220:30 221:292 222:18 223:621 End of report