IPv4 R&E Routing Table Report 20:15 GMT Sat 02 Mar, 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: 183937 Prefixes after maximum aggregation (per Origin AS): 80385 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 101364 Number of IPv4 prefixes with a valid ROA: 69288 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 114626 Total ASes present in the Internet Routing Table: 15471 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 13359 Origin ASes announcing only one prefix: 6077 Transit ASes present in the Internet Routing Table: 2112 Transit-only ASes present in the Internet Routing Table: 582 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: 220 Number of instances of unregistered ASNs: 220 Number of 32-bit ASNs allocated by the RIRs: 43748 Number of 32-bit ASNs visible in the Routing Table: 5576 Prefixes from 32-bit ASNs in the Routing Table: 18500 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: 82 Number of addresses announced to Internet: 1036379833 Equivalent to 61 /8s, 197 /16s and 230 /24s Percentage of available address space announced: 28.0 Percentage of allocated address space announced: 28.0 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: 53801 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29408 Total APNIC prefixes after maximum aggregation: 6901 APNIC Deaggregation factor: 4.26 Prefixes being announced from the APNIC address blocks: 29135 Unique aggregates announced from the APNIC address blocks: 8188 APNIC Region origin ASes present in the Internet Routing Table: 1126 APNIC Prefixes per ASN: 25.87 APNIC Region origin ASes announcing only one prefix: 455 APNIC Region transit ASes present in the Internet Routing Table: 190 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 492 Number of APNIC addresses announced to Internet: 171859080 Equivalent to 10 /8s, 62 /16s and 92 /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: 82286 Total ARIN prefixes after maximum aggregation: 44813 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81145 Unique aggregates announced from the ARIN address blocks: 50493 ARIN Region origin ASes present in the Internet Routing Table: 7185 ARIN Prefixes per ASN: 11.29 ARIN Region origin ASes announcing only one prefix: 3066 ARIN Region transit ASes present in the Internet Routing Table: 644 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: 1461 Number of ARIN addresses announced to Internet: 605401697 Equivalent to 36 /8s, 21 /16s and 178 /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: 34970 Total RIPE prefixes after maximum aggregation: 16407 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35534 Unique aggregates announced from the RIPE address blocks: 23637 RIPE Region origin ASes present in the Internet Routing Table: 3251 RIPE Prefixes per ASN: 10.93 RIPE Region origin ASes announcing only one prefix: 1386 RIPE Region transit ASes present in the Internet Routing Table: 504 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: 1193 Number of RIPE addresses announced to Internet: 155829456 Equivalent to 9 /8s, 73 /16s and 196 /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: 32154 Total LACNIC prefixes after maximum aggregation: 10203 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31900 Unique aggregates announced from the LACNIC address blocks: 15796 LACNIC Region origin ASes present in the Internet Routing Table: 3033 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 1086 LACNIC Region transit ASes present in the Internet Routing Table: 607 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: 2329 Number of LACNIC addresses announced to Internet: 73971200 Equivalent to 4 /8s, 104 /16s and 182 /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: 4899 Total AfriNIC prefixes after maximum aggregation: 1879 AfriNIC Deaggregation factor: 2.61 Prefixes being announced from the AfriNIC address blocks: 6141 Unique aggregates announced from the AfriNIC address blocks: 3170 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 30.25 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 62 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: 101 Number of AfriNIC addresses announced to Internet: 29270784 Equivalent to 1 /8s, 190 /16s and 163 /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 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 598 2161 463 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 9688 11266 3349 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2907 3646 1405 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1466 394 646 DNIC-ASBLK-05800-06055, US 4155 1310 85 1023 USDA-1, US 7979 993 66 197 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 921 429 848 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 1323 111 1074 AKAMAI-ASN1, NL 3215 899 4811 303 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 586 1841 11 TE-AS TE-AS, EG 35819 472 481 52 MOBILY-AS Etihad Etisalat Company Mobil 51167 436 79 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 415 60 340 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 5356 1548 929 UNINET, MX 3816 1311 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 986 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 482 70 208 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 682 240 185 LINKdotNET-AS, EG 29571 476 35 243 ORANGE-COTE-IVOIRE, CI 36992 473 671 290 ETISALAT-MISR, EG 2018 373 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 205 82 3 KENET-AS, KE 24835 201 217 101 RAYA-AS, EG 327687 161 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 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 9688 11266 3349 AMAZON-02, US 9808 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5356 1548 929 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2907 3646 1405 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 5972 1466 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 9625 9574 CHINAMOBILE-CN China Mobile Communications Grou 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 5356 4427 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2907 1502 DNIC-ASBLK-00306-00371, US 56047 1470 1436 CMNET-HUNAN-AP China Mobile communications corp 209 1707 1386 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1450 1340 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 1119 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 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 13342 UNALLOCATED 12.180.244.0/23 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 1835 FSKNET-DK Forskningsnettet - Danish network for 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 /11:27 /12:73 /13:111 /14:336 /15:672 /16:5371 /17:2528 /18:2599 /19:5370 /20:8645 /21:11063 /22:19628 /23:20239 /24:106989 /25:81 /26:51 /27:66 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3436 4754 ALJAWWALSTC-AS, SA 8151 2944 5356 UNINET, MX 16509 2047 9688 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 685 824 BRSPD-PUBLIC, US 8376 565 722 Jordan Data Communications, JO 7979 446 993 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:389 3:276 5:1052 6:148 7:5 8:620 11:171 12:258 13:331 14:102 15:280 16:174 17:6 18:691 20:30 21:4 22:188 23:1835 24:393 25:2 27:23 29:19 31:145 32:1 34:3 35:53 36:1114 37:565 38:849 39:524 40:8 41:544 42:22 43:180 44:33 45:2288 46:566 47:100 49:10 50:246 51:473 52:1353 54:273 55:885 57:16 58:6 59:39 60:19 61:64 62:353 63:464 64:1503 65:819 66:1257 67:675 68:164 69:714 70:150 71:191 72:360 74:720 75:392 76:206 77:272 78:531 79:163 80:174 81:183 82:173 83:94 84:186 85:317 86:148 87:145 88:102 89:474 90:98 91:522 92:391 93:778 94:483 95:1076 96:165 97:30 98:124 99:146 100:21 101:25 102:180 103:1048 104:673 105:130 106:2 107:221 108:296 109:210 110:28 111:1747 112:447 113:41 114:31 115:10 116:34 117:946 118:51 119:95 120:1095 121:36 122:112 123:20 124:57 125:36 128:356 129:280 130:511 131:774 132:506 133:264 134:323 135:68 136:354 137:439 138:719 139:410 140:564 141:325 142:690 143:574 144:327 145:67 146:479 147:318 148:578 149:504 150:282 151:540 152:373 153:122 154:440 155:679 156:315 157:230 158:313 159:528 160:629 161:419 162:694 163:292 164:617 165:364 166:103 167:378 168:956 169:152 170:1209 171:62 172:892 173:617 174:107 175:44 176:401 177:726 178:339 179:493 180:53 181:1006 182:10 183:853 184:202 185:2188 186:1044 187:755 188:483 189:1074 190:2970 191:196 192:3677 193:1227 194:774 195:557 196:472 197:492 198:1899 199:3114 200:2732 201:2573 202:959 203:612 204:1748 205:1618 206:1132 207:1047 208:989 209:1392 210:343 211:423 212:710 213:591 214:1064 215:37 216:1682 217:307 218:515 219:29 220:31 221:294 222:23 223:626 End of report