[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Internet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Mar 9 22:00:33 UTC 2022
IPv4 R&E Routing Table Report 22:00 GMT Wed 09 Mar, 2022
BGP Table (R&E) as seen at Internet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 22313
Prefixes after maximum aggregation (per Origin AS): 12293
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 14460
Number of IPv4 prefixes with a valid ROA: 14253
Number of IPv4 prefixes with an invalid ROA: 74
Number of IPv4 prefixes with no ROA: 30273
Total ASes present in the Internet Routing Table: 2759
Prefixes per ASN: 8.09
Origin-only ASes present in the Internet Routing Table: 2393
Origin ASes announcing only one prefix: 1086
Transit ASes present in the Internet Routing Table: 366
Transit-only ASes present in the Internet Routing Table: 47
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 15
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 38738
Number of 32-bit ASNs visible in the Routing Table: 614
Prefixes from 32-bit ASNs in the Routing Table: 1689
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: 5
Number of addresses announced to Internet: 243025758
Equivalent to 14 /8s, 124 /16s and 71 /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: 3104
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4722
Total APNIC prefixes after maximum aggregation: 2336
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4771
Unique aggregates announced from the APNIC address blocks: 2699
APNIC Region origin ASes present in the Internet Routing Table: 582
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: 63
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: 222
Number of APNIC addresses announced to Internet: 46058304
Equivalent to 2 /8s, 190 /16s and 203 /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: 11742
Total ARIN prefixes after maximum aggregation: 6384
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11635
Unique aggregates announced from the ARIN address blocks: 7826
ARIN Region origin ASes present in the Internet Routing Table: 1227
ARIN Prefixes per ASN: 9.48
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 158
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: 165
Number of ARIN addresses announced to Internet: 131980606
Equivalent to 7 /8s, 221 /16s and 221 /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: 3506
Total RIPE prefixes after maximum aggregation: 2814
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3562
Unique aggregates announced from the RIPE address blocks: 2874
RIPE Region origin ASes present in the Internet Routing Table: 681
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 135
Number of RIPE addresses announced to Internet: 58098112
Equivalent to 3 /8s, 118 /16s and 129 /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: 1431
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1435
Unique aggregates announced from the LACNIC address blocks: 768
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.64
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: 4.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4182048
Equivalent to 0 /8s, 63 /16s and 208 /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: 905
Total AfriNIC prefixes after maximum aggregation: 184
AfriNIC Deaggregation factor: 4.92
Prefixes being announced from the AfriNIC address blocks: 905
Unique aggregates announced from the AfriNIC address blocks: 288
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.10
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2705408
Equivalent to 0 /8s, 41 /16s and 72 /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 590 2157 459 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 189 74 135 KREONET-AS-KR KISTI, KR
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
4538 128 4192 72 ERX-CERNET-BKB China Education and Rese
55824 128 18 22 NKN-CORE-NW NKN Core Network, IN
4621 79 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 2812 4506 1138 AMAZON-02, US
14618 582 3987 446 AMAZON-AES, US
7896 252 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 145 507 86 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
1 118 1 45 LVLT-1, 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
680 278 1965 244 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 181 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2614 69 30 59 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/Internet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 175 208 46 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
4270 44 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
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 355 319 71 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 34 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/Internet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2812 4506 1138 AMAZON-02, US
2907 590 2157 459 SINET-AS Research Organization of Infor
14618 582 3987 446 AMAZON-AES, US
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 355 319 71 TENET-1, ZA
680 278 1965 244 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
36914 204 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
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 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 355 284 TENET-1, ZA
7896 252 245 NU-AS, US
36914 204 201 KENET-AS, KE
5786 200 199 UPRENET, PR
8895 181 177 ISU Internet Services Unit ISU, SA
58647 179 177 KAGAWAU-AS Kagawa University, JP
14618 582 136 AMAZON-AES, US
2907 590 131 SINET-AS Research Organization of Information a
18558 135 131 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
22644 UNALLOCATED 147.140.64.32/27 14877 PENNREN, US
22644 UNALLOCATED 147.140.64.64/27 14877 PENNREN, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-badAS
Prefixes from the Special Purpose Address Registry (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-spar
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
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 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
/13:24 /14:59 /15:173 /16:2097 /17:451 /18:467
/19:595 /20:967 /21:1017 /22:1597 /23:1764 /24:12758
/25:78 /26:57 /27:120 /28:7 /29:51 /30:0
/31:3 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 790 2812 AMAZON-02, US
14618 193 582 AMAZON-AES, US
36914 191 204 KENET-AS, KE
8895 176 181 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
1 35 118 LVLT-1, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700 30 34 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 3:81 4:2 5:16 6:4 8:2
12:1 13:45 14:85 15:57 16:5 18:51
23:42 24:3 31:6 35:1 37:7 38:9
40:1 41:120 42:9 44:5 45:49 46:11
47:1 49:10 50:8 52:683 54:180 58:1
59:20 60:4 61:3 62:7 63:38 64:139
65:5 66:56 67:62 68:17 69:46 70:28
71:17 72:18 74:43 75:128 76:165 77:9
78:3 79:10 80:15 81:28 82:5 83:6
84:9 85:42 86:4 87:1 88:1 89:12
91:52 92:1 93:23 94:4 95:5 96:6
97:1 98:11 99:183 101:6 102:13 103:337
104:46 106:1 107:9 108:21 109:12 110:3
111:20 112:4 114:23 116:5 117:61 118:32
119:22 121:26 122:11 123:8 124:39 125:4
128:81 129:185 130:148 131:94 132:56 133:141
134:100 135:1 136:203 137:100 138:9 139:16
140:50 141:3 142:58 143:33 144:69 145:2
146:129 147:65 148:200 149:16 150:42 151:7
152:81 153:13 154:26 155:61 156:69 157:31
158:45 159:119 160:30 161:25 162:50 163:73
164:53 165:64 166:1 167:22 168:169 169:10
170:104 171:1 172:10 173:14 174:1 175:31
176:12 177:12 178:2 179:12 180:21 182:6
184:3 185:62 186:3 187:19 188:14 189:5
190:33 191:33 192:1487 193:279 194:126 195:81
196:152 197:115 198:495 199:322 200:245 201:39
202:642 203:430 204:351 205:199 206:208 207:190
208:102 209:131 210:185 211:13 212:150 213:16
214:7 216:148 217:11 218:25 219:6 220:18
222:5 223:3
End of report
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