[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews PacWave (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Feb 6 22:40:41 UTC 2024
IPv4 R&E Routing Table Report 22:40 GMT Tue 06 Feb, 2024
IPv4 BGP Table (R&E) as seen at RouteViews PacWave.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PacWave/
Analysis Summary
----------------
BGP routing table entries examined: 29245
Prefixes after maximum aggregation (per Origin AS): 14542
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 17173
Total ASes present in the Internet Routing Table: 2805
Prefixes per ASN: 10.43
Origin-only ASes present in the Internet Routing Table: 2416
Origin ASes announcing only one prefix: 1073
Transit ASes present in the Internet Routing Table: 389
Transit-only ASes present in the Internet Routing Table: 72
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 17
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 24
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 43576
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 4784
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: 7
Number of addresses announced to Internet: 311262720
Equivalent to 18 /8s, 141 /16s and 126 /24s
Percentage of available address space announced: 8.4
Percentage of allocated address space announced: 8.4
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: 4010
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4616
Total APNIC prefixes after maximum aggregation: 2257
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4776
Unique aggregates announced from the APNIC address blocks: 2739
APNIC Region origin ASes present in the Internet Routing Table: 526
APNIC Prefixes per ASN: 9.08
APNIC Region origin ASes announcing only one prefix: 220
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 195
Number of APNIC addresses announced to Internet: 47040512
Equivalent to 2 /8s, 205 /16s and 200 /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: 18332
Total ARIN prefixes after maximum aggregation: 8595
ARIN Deaggregation factor: 2.13
Prefixes being announced from the ARIN address blocks: 17881
Unique aggregates announced from the ARIN address blocks: 10116
ARIN Region origin ASes present in the Internet Routing Table: 1302
ARIN Prefixes per ASN: 13.73
ARIN Region origin ASes announcing only one prefix: 455
ARIN Region transit ASes present in the Internet Routing Table: 174
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 208
Number of ARIN addresses announced to Internet: 189456896
Equivalent to 11 /8s, 74 /16s and 226 /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: 3623
Total RIPE prefixes after maximum aggregation: 2921
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3923
Unique aggregates announced from the RIPE address blocks: 3307
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.74
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 149
Number of RIPE addresses announced to Internet: 67284480
Equivalent to 4 /8s, 2 /16s and 174 /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: 1372
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.42
Prefixes being announced from the LACNIC address blocks: 1376
Unique aggregates announced from the LACNIC address blocks: 770
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 8.39
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4670208
Equivalent to 0 /8s, 71 /16s and 67 /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: 1278
Total AfriNIC prefixes after maximum aggregation: 181
AfriNIC Deaggregation factor: 7.06
Prefixes being announced from the AfriNIC address blocks: 1282
Unique aggregates announced from the AfriNIC address blocks: 234
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 24.19
AfriNIC Region origin ASes announcing only one prefix: 29
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2805504
Equivalent to 0 /8s, 42 /16s and 207 /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 2162 464 SINET-AS Research Organization of Infor
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
1237 194 74 142 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 119 AARNET-AS-AP Australian Academic and Re
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 128 19 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4521 4644 2083 AMAZON-02, US
396982 2754 3639 394 GOOGLE-CLOUD-PLATFORM, US
14618 858 4032 648 AMAZON-AES, US
15169 832 2001 62 GOOGLE, US
8075 426 12795 359 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 422 507 96 CSUNET-NW, US
668 203 648 172 DNIC-AS-00668, US
376 200 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
36492 162 12 45 GOOGLEWIFI, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
3267 79 44 68 RUNNET, RU
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
1916 149 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 106 24 50 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 490 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
327687 161 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4521 4644 2083 AMAZON-02, US
396982 2754 3639 394 GOOGLE-CLOUD-PLATFORM, US
14618 858 4032 648 AMAZON-AES, US
15169 832 2001 62 GOOGLE, US
2907 591 2162 464 SINET-AS Research Organization of Infor
36914 490 82 3 KENET-AS, KE
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
8075 426 12795 359 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 422 507 96 CSUNET-NW, US
2018 381 319 71 TENET-1, ZA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
396982 2754 2360 GOOGLE-CLOUD-PLATFORM, US
15169 832 770 GOOGLE, US
36914 490 487 KENET-AS, KE
7497 439 416 CSTNET-AS-AP Computer Network Information Cente
2152 422 326 CSUNET-NW, US
2018 381 310 TENET-1, ZA
14618 858 210 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 161 158 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 RESERVED, ZZ
65101 PRIVATE 64.54.9.0/24 5653 UCSF, US
65101 PRIVATE 64.54.18.0/24 5653 UCSF, US
65101 PRIVATE 64.54.128.0/24 5653 UCSF, US
65101 PRIVATE 64.54.149.0/24 5653 UCSF, US
65101 PRIVATE 64.54.162.0/24 5653 UCSF, US
65101 PRIVATE 64.54.196.0/24 5653 UCSF, US
65101 PRIVATE 64.54.197.0/24 5653 UCSF, US
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
45.42.252.0/22 Origin: 16509 AMAZON-02, US
45.42.252.0/22 Transit: 101 WASH-NSF-AS, US
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 101 WASH-NSF-AS, US
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
173.249.168.0/22 Origin: 16509 AMAZON-02, US
173.249.168.0/22 Transit: 101 WASH-NSF-AS, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/PacWave/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 /10:3 /11:11 /12:33
/13:46 /14:112 /15:209 /16:2243 /17:575 /18:537
/19:771 /20:2876 /21:1337 /22:2083 /23:2180 /24:16228
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 759 4521 AMAZON-02, US
36914 475 490 KENET-AS, KE
14618 283 858 AMAZON-AES, US
15169 274 832 GOOGLE, US
396982 206 2754 GOOGLE-CLOUD-PLATFORM, US
8895 128 133 ISU Internet Services Unit ISU, SA
8075 92 426 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 109 OCDE, US
2152 45 422 CSUNET-NW, US
327700 39 45 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:143 4:2 5:23 6:4
8:28 12:1 13:178 14:89 15:132 16:112
18:275 23:123 24:3 31:3 34:24 35:58
38:8 40:6 41:178 42:10 43:2 44:9
45:74 46:15 47:1 49:9 50:12 52:874
54:218 58:1 59:19 60:6 61:3 62:17
63:46 64:194 65:43 66:110 67:69 68:22
69:58 70:44 71:46 72:17 74:152 76:49
77:12 78:3 79:10 80:13 81:24 82:7
83:7 84:11 85:35 86:4 87:4 88:1
89:20 91:63 92:7 93:4 94:6 95:2
96:6 97:2 98:14 99:79 101:3 102:39
103:316 104:246 107:49 108:166 109:10 111:17
113:4 114:32 115:1 116:12 117:61 118:32
119:19 121:26 122:11 123:8 124:40 125:5
128:82 129:50 130:152 131:81 132:52 133:156
134:111 135:4 136:301 137:179 138:63 139:19
140:46 141:8 142:290 143:37 144:69 145:5
146:134 147:74 148:205 149:18 150:49 151:32
152:136 153:14 154:30 155:81 156:71 157:31
158:46 159:157 160:36 161:47 162:124 163:95
164:25 165:61 166:2 167:27 168:165 169:11
170:205 171:1 172:119 173:124 174:2 175:18
176:13 177:6 178:2 179:13 180:15 181:1
182:1 184:5 185:136 186:3 187:17 188:21
189:3 190:17 191:13 192:1587 193:289 194:136
195:80 196:203 197:338 198:605 199:378 200:274
201:37 202:637 203:442 204:418 205:187 206:225
207:257 208:158 209:223 210:196 211:14 212:168
213:19 214:8 216:219 217:14 218:22 219:5
220:17 222:2 223:14
End of report
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