[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Internet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Feb 10 22:00:45 UTC 2023
IPv4 R&E Routing Table Report 22:00 GMT Fri 10 Feb, 2023
IPv4 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: 22867
Prefixes after maximum aggregation (per Origin AS): 12746
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 14892
Number of IPv4 prefixes with a valid ROA: 8293
Number of IPv4 prefixes with an invalid ROA: 85
Number of IPv4 prefixes with no ROA: 14489
Total ASes present in the Internet Routing Table: 2774
Prefixes per ASN: 8.24
Origin-only ASes present in the Internet Routing Table: 2404
Origin ASes announcing only one prefix: 1055
Transit ASes present in the Internet Routing Table: 370
Transit-only ASes present in the Internet Routing Table: 60
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 18
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 41188
Number of 32-bit ASNs visible in the Routing Table: 639
Prefixes from 32-bit ASNs in the Routing Table: 1782
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: 5
Number of addresses announced to Internet: 242230520
Equivalent to 14 /8s, 112 /16s and 36 /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: 2987
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4703
Total APNIC prefixes after maximum aggregation: 2302
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4771
Unique aggregates announced from the APNIC address blocks: 2702
APNIC Region origin ASes present in the Internet Routing Table: 578
APNIC Prefixes per ASN: 8.25
APNIC Region origin ASes announcing only one prefix: 243
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
Number of APNIC addresses announced to Internet: 45797952
Equivalent to 2 /8s, 186 /16s and 210 /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: 12162
Total ARIN prefixes after maximum aggregation: 6807
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 11959
Unique aggregates announced from the ARIN address blocks: 8051
ARIN Region origin ASes present in the Internet Routing Table: 1244
ARIN Prefixes per ASN: 9.61
ARIN Region origin ASes announcing only one prefix: 429
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: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 185
Number of ARIN addresses announced to Internet: 131727416
Equivalent to 7 /8s, 218 /16s and 0 /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: 3609
Total RIPE prefixes after maximum aggregation: 2863
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3743
Unique aggregates announced from the RIPE address blocks: 3062
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 142
Number of RIPE addresses announced to Internet: 57968384
Equivalent to 3 /8s, 116 /16s and 135 /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: 1390
Total LACNIC prefixes after maximum aggregation: 561
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1393
Unique aggregates announced from the LACNIC address blocks: 780
LACNIC Region origin ASes present in the Internet Routing Table: 151
LACNIC Prefixes per ASN: 9.23
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 4076928
Equivalent to 0 /8s, 62 /16s and 53 /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: 997
Total AfriNIC prefixes after maximum aggregation: 207
AfriNIC Deaggregation factor: 4.82
Prefixes being announced from the AfriNIC address blocks: 996
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 54
AfriNIC Prefixes per ASN: 18.44
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2658304
Equivalent to 0 /8s, 40 /16s and 144 /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 591 2157 463 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 119 18 12 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
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 3135 4619 1392 AMAZON-02, US
14618 737 3994 549 AMAZON-AES, US
668 218 702 179 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 153 507 92 CSUNET-NW, US
18558 132 18 4 NETBLK-RCOEK, US
1 120 2 46 LVLT-1, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, 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
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 57 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
61468 46 3 14 CEDIA, EC
4270 44 16 1 Red de Interconexion Universitaria, AR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 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 355 319 71 TENET-1, ZA
36914 247 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 44 28 3 RENU, UG
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 31 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 3135 4619 1392 AMAZON-02, US
14618 737 3994 549 AMAZON-AES, US
2907 591 2157 463 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 355 319 71 TENET-1, ZA
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 247 82 3 KENET-AS, KE
668 218 702 179 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 355 284 TENET-1, ZA
36914 247 244 KENET-AS, KE
5786 199 198 UPRENET, PR
14618 737 188 AMAZON-AES, US
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
2907 591 128 SINET-AS Research Organization of Information a
18558 132 128 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, 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
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 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
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
/13:25 /14:59 /15:174 /16:2070 /17:476 /18:474
/19:611 /20:1003 /21:1026 /22:1690 /23:1784 /24:13091
/25:86 /26:58 /27:151 /28:7 /29:54 /30:0
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 490 3135 AMAZON-02, US
14618 247 737 AMAZON-AES, US
36914 234 247 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
32440 79 94 LONI, US
23024 52 113 OCDE, US
1 38 120 LVLT-1, US
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:92 4:2 5:17 6:4 8:2
12:1 13:60 14:89 15:90 16:5 18:94
23:49 24:3 31:7 35:14 37:1 38:9
40:1 41:139 42:10 44:5 45:51 46:10
47:1 49:10 50:8 52:811 54:248 58:2
59:20 60:4 61:3 62:11 63:38 64:155
65:13 66:67 67:63 68:18 69:45 70:27
71:16 72:17 74:82 76:44 77:9 78:3
79:10 80:17 81:28 82:6 83:6 84:13
85:46 86:5 87:2 89:13 91:54 92:2
93:4 94:4 95:2 96:7 97:1 98:13
99:65 101:6 102:15 103:348 104:113 107:1
108:32 109:12 110:2 111:16 114:23 115:1
116:8 117:61 118:32 119:21 121:27 122:11
123:8 124:39 125:4 128:86 129:49 130:144
131:68 132:63 133:149 134:102 135:3 136:216
137:94 138:10 139:18 140:58 141:5 142:55
143:32 144:40 145:2 146:133 147:67 148:203
149:16 150:130 151:12 152:82 153:14 154:30
155:78 156:71 157:40 158:43 159:163 160:32
161:35 162:60 163:90 164:22 165:60 166:1
167:18 168:159 169:14 170:126 171:1 172:10
173:22 174:2 175:31 176:12 177:9 178:1
179:10 180:17 181:1 182:1 184:4 185:76
186:3 187:19 188:15 189:3 190:15 191:36
192:1520 193:354 194:134 195:83 196:158 197:150
198:513 199:334 200:222 201:35 202:637 203:426
204:368 205:161 206:207 207:190 208:116 209:134
210:186 211:18 212:169 213:16 214:8 216:156
217:11 218:22 219:6 220:17 222:5 223:4
End of report
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