[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Nov 8 22:00:33 UTC 2021
Global R&E Routing Table Report 22:00 GMT Mon 08 Nov, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 21886
Prefixes after maximum aggregation (per Origin AS): 11951
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14199
Total ASes present in the Internet Routing Table: 2711
Prefixes per ASN: 8.07
Origin-only ASes present in the Internet Routing Table: 2340
Origin ASes announcing only one prefix: 1079
Transit ASes present in the Internet Routing Table: 371
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 19
Number of instances of unregistered ASNs: 19
Number of 32-bit ASNs allocated by the RIRs: 37784
Number of 32-bit ASNs visible in the Routing Table: 593
Prefixes from 32-bit ASNs in the Routing Table: 1741
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: 7
Number of addresses announced to Internet: 242573912
Equivalent to 14 /8s, 117 /16s and 98 /24s
Percentage of available address space announced: 6.6
Percentage of allocated address space announced: 6.6
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: 2908
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4722
Total APNIC prefixes after maximum aggregation: 2330
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4767
Unique aggregates announced from the APNIC address blocks: 2690
APNIC Region origin ASes present in the Internet Routing Table: 581
APNIC Prefixes per ASN: 8.20
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 46032192
Equivalent to 2 /8s, 190 /16s and 101 /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: 11583
Total ARIN prefixes after maximum aggregation: 6195
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 11501
Unique aggregates announced from the ARIN address blocks: 7685
ARIN Region origin ASes present in the Internet Routing Table: 1221
ARIN Prefixes per ASN: 9.42
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 160
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 157
Number of ARIN addresses announced to Internet: 131885624
Equivalent to 7 /8s, 220 /16s and 106 /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: 3423
Total RIPE prefixes after maximum aggregation: 2748
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3469
Unique aggregates announced from the RIPE address blocks: 2848
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.18
RIPE Region origin ASes announcing only one prefix: 321
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 130
Number of RIPE addresses announced to Internet: 58138304
Equivalent to 3 /8s, 119 /16s and 30 /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: 1238
Total LACNIC prefixes after maximum aggregation: 487
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1241
Unique aggregates announced from the LACNIC address blocks: 678
LACNIC Region origin ASes present in the Internet Routing Table: 135
LACNIC Prefixes per ASN: 9.19
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 18
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 57
Number of LACNIC addresses announced to Internet: 3801376
Equivalent to 0 /8s, 58 /16s and 1 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 901
Total AfriNIC prefixes after maximum aggregation: 185
AfriNIC Deaggregation factor: 4.87
Prefixes being announced from the AfriNIC address blocks: 901
Unique aggregates announced from the AfriNIC address blocks: 291
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 18.77
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 3.1
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2714624
Equivalent to 0 /8s, 41 /16s and 108 /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 622 2157 458 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
7575 176 329 122 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4538 127 4192 72 ERX-CERNET-BKB China Education and Rese
4621 80 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2680 4480 993 AMAZON-02, US
14618 541 3985 412 AMAZON-AES, US
7896 250 51 7 NU-AS, US
668 211 702 182 DNIC-AS-00668, US
376 205 179 154 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 157 507 85 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
1 120 1 41 LVLT-1, US
270 119 329 88 AS270, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 177 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 59 33 57 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 204 207 42 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 340 319 73 TENET-1, ZA
327687 138 28 3 RENU, UG
36914 99 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2680 4480 993 AMAZON-02, US
2907 622 2157 458 SINET-AS Research Organization of Infor
14618 541 3985 412 AMAZON-AES, US
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 340 319 73 TENET-1, ZA
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
668 211 702 182 DNIC-AS-00668, US
376 205 179 154 RISQ-AS, CA
1916 204 207 42 Associacao Rede Nacional de Ensino e Pe
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 340 267 TENET-1, ZA
7896 250 243 NU-AS, US
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
2907 622 164 SINET-AS Research Organization of Information a
1916 204 162 Associacao Rede Nacional de Ensino e Pesquisa,
327687 138 135 RENU, UG
18558 137 133 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.151.24.0/24 Origin: 16509 AMAZON-02, US
103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
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/Internet2/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 /11:3 /12:17
/13:25 /14:60 /15:173 /16:2093 /17:444 /18:462
/19:595 /20:960 /21:977 /22:1550 /23:1703 /24:12499
/25:80 /26:68 /27:124 /28:1 /29:49 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 706 2680 AMAZON-02, US
14618 178 541 AMAZON-AES, US
8895 172 177 ISU Internet Services Unit ISU, SA
36914 85 99 KENET-AS, KE
23024 53 56 OCDE, US
1 35 120 LVLT-1, US
327700 35 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:79 4:2 5:16 6:4 8:2
12:1 13:165 14:84 15:33 16:2 18:44
23:34 24:3 31:6 37:6 38:9 40:1
41:136 42:8 44:5 45:45 46:8 47:1
49:10 50:6 52:666 54:175 58:1 59:20
60:4 61:3 62:7 63:38 64:125 65:5
66:54 67:60 68:18 69:47 70:9 71:17
72:17 74:40 75:128 76:164 77:8 78:3
79:10 80:17 81:27 82:6 83:7 84:9
85:37 86:9 87:1 88:1 89:12 91:54
92:1 93:19 94:4 95:5 96:6 97:1
98:11 99:181 101:6 102:16 103:330 104:47
106:1 107:8 108:19 109:11 110:3 111:20
112:4 114:23 116:5 117:61 118:32 119:20
121:26 122:11 123:8 124:39 125:5 128:83
129:181 130:119 131:93 132:61 133:138 134:101
135:1 136:204 137:154 138:9 139:16 140:50
141:3 142:61 143:33 144:70 146:126 147:80
148:167 149:20 150:39 151:7 152:79 153:11
154:23 155:59 156:70 157:29 158:45 159:120
160:32 161:20 162:51 163:70 164:52 165:61
166:1 167:22 168:144 169:10 170:56 171:1
172:10 173:15 174:1 175:31 176:12 177:10
178:3 179:11 180:21 182:6 184:4 185:55
186:3 187:18 188:14 189:3 190:18 191:33
192:1486 193:259 194:123 195:87 196:178 197:5
198:505 199:310 200:208 201:39 202:637 203:427
204:347 205:199 206:204 207:191 208:83 209:134
210:184 211:14 212:172 213:13 214:7 216:139
217:14 218:25 219:8 220:17 222:5 223:2
End of report
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