IPv4 R&E Routing Table Report 20:20 GMT Tue 15 Mar, 2022 BGP Table (R&E) as seen at Erdemnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/ Analysis Summary ---------------- BGP routing table entries examined: 19040 Prefixes after maximum aggregation (per Origin AS): 8479 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 7611 Total ASes present in the Internet Routing Table: 2790 Prefixes per ASN: 6.82 Origin-only ASes present in the Internet Routing Table: 2410 Origin ASes announcing only one prefix: 1115 Transit ASes present in the Internet Routing Table: 380 Transit-only ASes present in the Internet Routing Table: 52 Average AS path length visible in the Internet Routing Table: 6.4 Max AS path length visible: 17 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 10 Number of instances of unregistered ASNs: 10 Number of 32-bit ASNs allocated by the RIRs: 38793 Number of 32-bit ASNs visible in the Routing Table: 624 Prefixes from 32-bit ASNs in the Routing Table: 1666 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 947 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 159009506 Equivalent to 9 /8s, 122 /16s and 74 /24s Percentage of available address space announced: 4.3 Percentage of allocated address space announced: 4.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 7629 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5225 Total APNIC prefixes after maximum aggregation: 1524 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 1714 Unique aggregates announced from the APNIC address blocks: 686 APNIC Region origin ASes present in the Internet Routing Table: 619 APNIC Prefixes per ASN: 2.77 APNIC Region origin ASes announcing only one prefix: 265 APNIC Region transit ASes present in the Internet Routing Table: 69 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 233 Number of APNIC addresses announced to Internet: 23535616 Equivalent to 1 /8s, 103 /16s and 32 /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, 131072-151865 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: 8067 Total ARIN prefixes after maximum aggregation: 3743 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 10314 Unique aggregates announced from the ARIN address blocks: 3456 ARIN Region origin ASes present in the Internet Routing Table: 1232 ARIN Prefixes per ASN: 8.37 ARIN Region origin ASes announcing only one prefix: 453 ARIN Region transit ASes present in the Internet Routing Table: 164 Average ARIN Region AS path length visible: 7.2 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 168 Number of ARIN addresses announced to Internet: 95200738 Equivalent to 5 /8s, 172 /16s and 165 /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: 3409 Total RIPE prefixes after maximum aggregation: 2643 RIPE Deaggregation factor: 1.29 Prefixes being announced from the RIPE address blocks: 5898 Unique aggregates announced from the RIPE address blocks: 3311 RIPE Region origin ASes present in the Internet Routing Table: 663 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 97 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 131 Number of RIPE addresses announced to Internet: 30070528 Equivalent to 1 /8s, 202 /16s and 215 /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 196608-213403 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: 1397 Total LACNIC prefixes after maximum aggregation: 371 LACNIC Deaggregation factor: 3.77 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 2 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 0.01 LACNIC Region origin ASes announcing only one prefix: 67 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 8.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 131072 Equivalent to 0 /8s, 2 /16s and 0 /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: 932 Total AfriNIC prefixes after maximum aggregation: 188 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 155 Unique aggregates announced from the AfriNIC address blocks: 145 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 3.04 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 7.2 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 9838336 Equivalent to 0 /8s, 150 /16s and 31 /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 581 1968 197 SINET-AS Research Organization of Infor 7497 432 116 8 CSTNET-AS-AP Computer Network Informati 1237 186 33 3 KREONET-AS-KR KISTI, KR 7575 176 315 52 AARNET-AS-AP Australian Academic and Re 58647 167 16 1 KAGAWAU-AS Kagawa University, JP 17882 162 4 11 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN 9934 136 1 33 MICOM-MN-AS Mongolia Telecom, MN 55824 129 18 19 NKN-CORE-NW NKN Core Network, IN 4538 126 1394 38 ERX-CERNET-BKB China Education and Rese 4621 79 3 6 UNINET-AS-AP UNINET-, TH Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 252 50 5 NU-AS, US 376 203 163 30 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 668 190 537 135 DNIC-AS-00668, US 2152 151 404 49 CSUNET-NW, US 18558 135 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 108 16 1 LACOE, US 21976 85 49 15 NJEDGE-NET, US 1736 80 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 279 1949 242 DFN Verein zur Foerderung eines Deutsch 786 186 1732 177 JANET Jisc Services Limited, GB 8895 141 0 2 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 137 82 653 75 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2614 69 26 40 ROEDUNET, RO 2200 66 647 61 FR-RENATER Reseau National de telecommu 1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 157 81 7 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 22 46 Red Universitaria Nacional, CL 1251 60 12 2 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 69 32 Fundacao Carlos Chagas Filho de Amparo 19611 45 16 1 Associacao Antonio Vieira - Unisinos, B 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 41 2 11 CEDIA, EC 28614 38 1 1 Fundacao Universidade Regional de Blume 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 373 319 74 TENET-1, ZA 36914 210 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 39 28 3 RENU, UG 327700 36 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 17 8 1 TERNET, TZ 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 581 1968 197 SINET-AS Research Organization of Infor 7497 432 116 8 CSTNET-AS-AP Computer Network Informati 2018 373 319 74 TENET-1, ZA 680 279 1949 242 DFN Verein zur Foerderung eines Deutsch 7896 252 50 5 NU-AS, US 36914 210 82 3 KENET-AS, KE 376 203 163 30 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 668 190 537 135 DNIC-AS-00668, US 786 186 1732 177 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 424 CSTNET-AS-AP Computer Network Information Cente 2018 373 299 TENET-1, ZA 7896 252 247 NU-AS, US 36914 210 207 KENET-AS, KE 5786 200 199 UPRENET, PR 1237 186 183 KREONET-AS-KR KISTI, KR 376 203 173 RISQ-AS, CA 58647 167 166 KAGAWAU-AS Kagawa University, JP 17882 162 151 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN-MCS-AP 1916 157 150 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394607 UNALLOCATED 4.249.65.0/24 23024 OCDE, US 22063 UNALLOCATED 53.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 56.1.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 99.27.241.0/24 11096 FLORIDANET, US 65101 PRIVATE 2.21.123.0/24 9484 MOBINET-AS-MN Mobinet LLC. A 65512 PRIVATE 2.126.89.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 65512 PRIVATE 2.126.90.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 65250 PRIVATE 2.126.91.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 395514 UNALLOCATED 5.213.88.0/24 2381 WISCNET1-AS, US 394607 UNALLOCATED 16.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.10.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.0.30.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.10.11.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.10.12.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.10.13.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.10.54.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.10.100.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 0.16.137.155/32 9934 MICOM-MN-AS Mongolia Telecom, MN 0.16.144.86/32 9934 MICOM-MN-AS Mongolia Telecom, MN 0.16.155.77/32 9934 MICOM-MN-AS Mongolia Telecom, MN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.65.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG 23.136.65.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re 23.136.66.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG 23.136.66.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re 23.136.67.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG 23.136.67.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re 23.136.68.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG 23.136.68.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re 23.136.69.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG 23.136.69.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 /10:2 /11:1 /12:10 /13:17 /14:34 /15:120 /16:2012 /17:390 /18:439 /19:566 /20:869 /21:900 /22:1443 /23:1575 /24:10487 /25:0 /26:2 /27:3 /28:7 /29:7 /30:57 /31:1 /32:97 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2907 293 581 SINET-AS Research Organization of Information a 2018 269 373 TENET-1, ZA 7497 245 432 CSTNET-AS-AP Computer Network Information Cente 1916 150 157 Rede Nacional de Ensino e Pesquisa, BR 680 140 279 DFN Verein zur Foerderung eines Deutschen Forsc 9934 130 136 MICOM-MN-AS Mongolia Telecom, MN 36914 114 210 KENET-AS, KE 1237 105 186 KREONET-AS-KR KISTI, KR 11340 93 95 Red Universitaria Nacional, CL 668 80 190 DNIC-AS-00668, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:254 2:837 3:881 4:578 5:252 6:330 7:253 8:145 9:206 10:186 11:33 12:161 13:5 14:30 16:91 17:72 18:55 19:28 20:16 21:27 22:29 23:11 24:39 25:4 28:81 29:178 30:92 31:90 32:56 33:141 34:99 36:193 37:88 38:8 39:9 40:50 41:1 42:41 43:31 44:52 45:2 46:127 47:59 48:192 49:13 50:44 51:6 52:71 53:13 54:26 55:51 56:68 57:26 58:42 59:116 60:25 61:22 62:23 63:65 64:35 65:55 66:1 67:16 68:124 69:10 70:68 71:1 72:4 73:7 75:29 76:8 77:12 79:11 80:21 82:6 84:3 85:39 86:3 87:19 88:13 89:5 90:33 91:33 92:1384 93:270 94:139 95:83 96:163 97:115 98:493 99:280 End of report