IPv4 R&E Routing Table Report 22:10 GMT Sun 28 Jul, 2024 IPv4 BGP Table (R&E) as seen at CEDIA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/ Analysis Summary ---------------- BGP routing table entries examined: 25903 Prefixes after maximum aggregation (per Origin AS): 12908 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14565 Number of IPv4 prefixes with a valid ROA: 13037 Number of IPv4 prefixes with an invalid ROA: 165 Number of IPv4 prefixes with no ROA: 12701 Total ASes present in the Internet Routing Table: 2745 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 2374 Origin ASes announcing only one prefix: 1046 Transit ASes present in the Internet Routing Table: 371 Transit-only ASes present in the Internet Routing Table: 64 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 16 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 45047 Number of 32-bit ASNs visible in the Routing Table: 641 Prefixes from 32-bit ASNs in the Routing Table: 4638 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 240097432 Equivalent to 14 /8s, 79 /16s and 152 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3561 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4717 Total APNIC prefixes after maximum aggregation: 2300 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4778 Unique aggregates announced from the APNIC address blocks: 2698 APNIC Region origin ASes present in the Internet Routing Table: 560 APNIC Prefixes per ASN: 8.53 APNIC Region origin ASes announcing only one prefix: 240 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 207 Number of APNIC addresses announced to Internet: 45850176 Equivalent to 2 /8s, 187 /16s and 158 /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: 15070 Total ARIN prefixes after maximum aggregation: 6904 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 14802 Unique aggregates announced from the ARIN address blocks: 7642 ARIN Region origin ASes present in the Internet Routing Table: 1253 ARIN Prefixes per ASN: 11.81 ARIN Region origin ASes announcing only one prefix: 435 ARIN Region transit ASes present in the Internet Routing Table: 155 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 208 Number of ARIN addresses announced to Internet: 129855345 Equivalent to 7 /8s, 189 /16s and 111 /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, 393216-402332 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: 3616 Total RIPE prefixes after maximum aggregation: 2919 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3806 Unique aggregates announced from the RIPE address blocks: 3205 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 104 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 154 Number of RIPE addresses announced to Internet: 57759632 Equivalent to 3 /8s, 113 /16s and 87 /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: 1472 Total LACNIC prefixes after maximum aggregation: 631 LACNIC Deaggregation factor: 2.33 Prefixes being announced from the LACNIC address blocks: 1478 Unique aggregates announced from the LACNIC address blocks: 812 LACNIC Region origin ASes present in the Internet Routing Table: 153 LACNIC Prefixes per ASN: 9.66 LACNIC Region origin ASes announcing only one prefix: 48 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60 Number of LACNIC addresses announced to Internet: 4200535 Equivalent to 0 /8s, 64 /16s and 24 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 1027 Total AfriNIC prefixes after maximum aggregation: 153 AfriNIC Deaggregation factor: 6.71 Prefixes being announced from the AfriNIC address blocks: 1029 Unique aggregates announced from the AfriNIC address blocks: 199 AfriNIC Region origin ASes present in the Internet Routing Table: 32 AfriNIC Prefixes per ASN: 32.16 AfriNIC Region origin ASes announcing only one prefix: 17 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12 Number of AfriNIC addresses announced to Internet: 2419968 Equivalent to 0 /8s, 36 /16s and 237 /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 2907 601 2162 465 SINET-AS Research Organization of Informa 7497 448 180 24 CSTNET-AS-AP Computer Network Information 1237 191 74 144 KREONET-AS-KR KISTI, KR 58647 183 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 130 18 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2758 3594 409 GOOGLE-CLOUD-PLATFORM, US 16509 2248 1765 1001 AMAZON-02, US 14618 986 4180 737 AMAZON-AES, US 15169 830 2007 68 GOOGLE, US 376 202 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2920 176 34 7 LACOE, US 270 162 345 88 AS270, US 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 282 1899 250 DFN Verein zur Foerderung eines Deutschen 786 182 1767 181 JANET Jisc Services Limited, GB 8895 136 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch.c 1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 90 26 70 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 76 26 66 NIKS, RU Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 158 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 11340 118 25 55 Red Universitaria Nacional, CL 27947 115 0 88 Telconet S.A, EC 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 47 16 1 Red de Interconexion Universitaria, AR 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blumena Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 444 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37661 13 8 5 NRaE1-AS, NG 37182 11 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37215 7 8 1 MAREN, MW Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2758 3594 409 GOOGLE-CLOUD-PLATFORM, US 16509 2248 1765 1001 AMAZON-02, US 14618 986 4180 737 AMAZON-AES, US 15169 830 2007 68 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Informa 7497 448 180 24 CSTNET-AS-AP Computer Network Information 36914 444 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 680 282 1899 250 DFN Verein zur Foerderung eines Deutschen 376 202 162 151 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2248 1247 AMAZON-02, US 15169 830 762 GOOGLE, US 36914 444 441 KENET-AS, KE 7497 448 424 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 14618 986 249 AMAZON-AES, US 5786 197 196 UPRENET, PR 58647 183 181 KAGAWAU-AS Kagawa University, JP 2920 176 169 LACOE, US 2907 601 136 SINET-AS Research Organization of Information a Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 185.137.157.0/24 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US 185.137.157.0/24 Transit: 15169 GOOGLE, US 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /8:0 /9:1 /10:1 /11:4 /12:19 /13:35 /14:81 /15:158 /16:2105 /17:511 /18:508 /19:738 /20:2811 /21:1074 /22:1608 /23:1750 /24:14166 /25:44 /26:49 /27:69 /28:21 /29:77 /30:31 /31:37 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 434 444 KENET-AS, KE 16509 341 2248 AMAZON-02, US 14618 324 986 AMAZON-AES, US 15169 275 830 GOOGLE, US 396982 221 2758 GOOGLE-CLOUD-PLATFORM, US 8895 131 136 ISU Internet Services Unit ISU, SA 27947 91 115 Telconet S.A, EC 32440 82 116 LONI, US 327700 40 46 MoRENet, MZ 23024 38 96 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:90 5:21 8:28 12:1 13:45 14:89 15:72 16:115 18:70 23:107 24:3 31:5 34:23 35:49 36:1 37:8 38:10 40:5 41:171 42:10 43:3 44:7 45:70 46:11 47:1 49:10 50:7 52:551 54:163 57:1 58:1 59:19 60:6 61:3 62:9 63:37 64:158 65:15 66:77 67:67 68:15 69:45 70:43 71:3 72:12 74:152 75:1 76:47 77:12 78:3 79:10 80:14 81:25 82:6 83:7 84:7 85:46 86:5 87:4 88:1 89:21 91:59 92:7 93:13 94:2 95:2 96:7 97:1 98:10 99:47 101:2 102:8 103:307 104:223 107:38 108:113 109:12 111:16 113:2 114:32 115:1 116:10 117:62 118:34 119:23 121:28 122:8 123:8 124:43 125:5 128:84 129:40 130:147 131:65 132:67 133:158 134:107 135:3 136:298 137:66 138:60 139:17 140:43 141:7 142:265 143:25 144:42 145:3 146:145 147:76 148:202 149:16 150:41 151:32 152:139 153:15 154:37 155:77 156:141 157:30 158:44 159:154 160:30 161:29 162:76 163:67 164:24 165:65 166:2 167:21 168:157 169:11 170:154 171:1 172:112 173:117 174:2 175:29 176:10 177:5 178:1 179:10 180:16 182:9 184:7 185:108 186:3 187:17 188:18 189:3 190:3 191:13 192:1528 193:282 194:126 195:74 196:147 197:313 198:491 199:323 200:266 201:34 202:650 203:441 204:386 205:155 206:214 207:233 208:145 209:169 210:216 211:14 212:165 213:17 216:196 217:12 218:22 219:5 220:17 222:2 223:14 End of report