IPv4 R&E Routing Table Report 20:15 GMT Fri 23 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: 182592 Prefixes after maximum aggregation (per Origin AS): 79919 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 100348 Number of IPv4 prefixes with a valid ROA: 68995 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 113574 Total ASes present in the Internet Routing Table: 15313 Prefixes per ASN: 11.92 Origin-only ASes present in the Internet Routing Table: 13245 Origin ASes announcing only one prefix: 6024 Transit ASes present in the Internet Routing Table: 2068 Transit-only ASes present in the Internet Routing Table: 559 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: 222 Number of instances of unregistered ASNs: 222 Number of 32-bit ASNs allocated by the RIRs: 43684 Number of 32-bit ASNs visible in the Routing Table: 5464 Prefixes from 32-bit ASNs in the Routing Table: 18542 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: 81 Number of addresses announced to Internet: 1033573433 Equivalent to 61 /8s, 155 /16s and 20 /24s Percentage of available address space announced: 27.9 Percentage of allocated address space announced: 27.9 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: 53616 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28542 Total APNIC prefixes after maximum aggregation: 6415 APNIC Deaggregation factor: 4.45 Prefixes being announced from the APNIC address blocks: 28335 Unique aggregates announced from the APNIC address blocks: 7410 APNIC Region origin ASes present in the Internet Routing Table: 1056 APNIC Prefixes per ASN: 26.83 APNIC Region origin ASes announcing only one prefix: 433 APNIC Region transit ASes present in the Internet Routing Table: 177 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: 171045000 Equivalent to 10 /8s, 49 /16s and 240 /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: 82045 Total ARIN prefixes after maximum aggregation: 44816 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80905 Unique aggregates announced from the ARIN address blocks: 50431 ARIN Region origin ASes present in the Internet Routing Table: 7162 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3062 ARIN Region transit ASes present in the Internet Routing Table: 641 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: 1439 Number of ARIN addresses announced to Internet: 605498849 Equivalent to 36 /8s, 23 /16s and 45 /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: 34664 Total RIPE prefixes after maximum aggregation: 16445 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35206 Unique aggregates announced from the RIPE address blocks: 23533 RIPE Region origin ASes present in the Internet Routing Table: 3248 RIPE Prefixes per ASN: 10.84 RIPE Region origin ASes announcing only one prefix: 1381 RIPE Region transit ASes present in the Internet Routing Table: 494 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: 1184 Number of RIPE addresses announced to Internet: 153958864 Equivalent to 9 /8s, 45 /16s and 57 /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: 32175 Total LACNIC prefixes after maximum aggregation: 10225 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31938 Unique aggregates announced from the LACNIC address blocks: 15874 LACNIC Region origin ASes present in the Internet Routing Table: 2997 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 1065 LACNIC Region transit ASes present in the Internet Routing Table: 585 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: 2291 Number of LACNIC addresses announced to Internet: 74065920 Equivalent to 4 /8s, 106 /16s and 40 /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: 4944 Total AfriNIC prefixes after maximum aggregation: 1835 AfriNIC Deaggregation factor: 2.69 Prefixes being announced from the AfriNIC address blocks: 6127 Unique aggregates announced from the AfriNIC address blocks: 3021 AfriNIC Region origin ASes present in the Internet Routing Table: 201 AfriNIC Prefixes per ASN: 30.48 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 62 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: 99 Number of AfriNIC addresses announced to Internet: 28956672 Equivalent to 1 /8s, 185 /16s and 216 /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 9640 8739 51 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 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 434 488 105 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 9648 11238 3315 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2917 3694 1420 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1468 394 646 DNIC-ASBLK-05800-06055, US 4155 1219 79 974 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 927 434 853 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 1358 113 1095 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 716 60 22 Jordan Data Communications, JO 8452 580 1841 11 TE-AS TE-AS, EG 51167 437 79 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 418 60 344 TELLCOM-AS, TR 29580 414 46 174 A1BG_RSG A1 EAD, BG 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 5391 1558 930 UNINET, MX 3816 1307 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 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 481 69 208 Mega Cable, S.A. de C.V., MX 28343 307 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 24863 571 233 195 LINKdotNET-AS, EG 36914 488 82 3 KENET-AS, KE 36992 486 777 258 ETISALAT-MISR, EG 29571 471 35 240 ORANGE-COTE-IVOIRE, CI 2018 373 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 24835 198 161 114 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 159 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 16509 9648 11238 3315 AMAZON-02, US 9808 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5391 1558 930 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2917 3694 1420 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 5972 1468 394 646 DNIC-ASBLK-05800-06055, 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 9808 9640 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 5391 4461 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2917 1497 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1708 1387 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 1307 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 41.77.208.0/22 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 /11:27 /12:73 /13:112 /14:331 /15:667 /16:5370 /17:2515 /18:2593 /19:5371 /20:8693 /21:10758 /22:19481 /23:20330 /24:105973 /25:81 /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 2947 5391 UNINET, MX 16509 2040 9648 AMAZON-02, US 209 964 1708 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1855 ATLANTICBB-JOHNSTOWN, US 11830 882 1042 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 679 818 BRSPD-PUBLIC, US 8376 559 716 Jordan Data Communications, JO 36914 473 488 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 2:461 3:268 5:1075 6:151 7:5 8:616 11:171 12:255 13:326 14:98 15:280 16:171 17:6 18:688 20:30 21:4 22:188 23:1862 24:397 25:2 27:18 29:19 31:153 32:1 34:3 35:53 36:1111 37:531 38:796 39:523 40:8 41:547 42:15 43:172 44:32 45:2289 46:561 47:99 49:10 50:249 51:472 52:1352 54:274 55:883 57:17 58:5 59:33 60:19 61:63 62:349 63:457 64:1518 65:824 66:1266 67:672 68:149 69:722 70:150 71:191 72:365 74:721 75:392 76:205 77:266 78:551 79:159 80:169 81:180 82:177 83:92 84:182 85:279 86:149 87:150 88:102 89:302 90:97 91:512 92:391 93:779 94:486 95:1086 96:167 97:30 98:128 99:148 100:22 101:25 102:174 103:947 104:681 105:130 106:2 107:224 108:292 109:209 110:26 111:1744 112:447 113:40 114:31 115:10 116:32 117:946 118:46 119:94 120:1088 121:31 122:80 123:20 124:57 125:11 128:425 129:279 130:510 131:774 132:509 133:265 134:322 135:68 136:358 137:436 138:710 139:412 140:568 141:198 142:696 143:589 144:313 145:67 146:472 147:321 148:584 149:518 150:279 151:541 152:354 153:117 154:455 155:666 156:300 157:219 158:313 159:522 160:627 161:420 162:682 163:285 164:591 165:382 166:104 167:374 168:928 169:150 170:1202 171:63 172:886 173:614 174:107 175:43 176:404 177:710 178:293 179:475 180:44 181:958 182:8 183:853 184:206 185:2180 186:1083 187:757 188:489 189:1072 190:2903 191:180 192:3660 193:1228 194:768 195:560 196:434 197:665 198:1897 199:3004 200:2713 201:2579 202:903 203:608 204:1726 205:1662 206:1101 207:1035 208:980 209:1351 210:292 211:421 212:709 213:527 214:1073 215:37 216:1662 217:301 218:515 219:19 220:30 221:292 222:18 223:628 End of report