[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jun 11 22:15:42 UTC 2024


IPv4 R&E Routing Table Report   22:15 GMT Tue 11 Jun, 2024

  IPv4 BGP Table (R&E) as seen at RedCLARA.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RedCLARA/

Analysis Summary
----------------

BGP routing table entries examined:                               25842
    Prefixes after maximum aggregation (per Origin AS):           13014
    Deaggregation factor:                                          1.99
    Unique aggregates announced (without unneeded subnets):       14696
    Number of IPv4 prefixes with a valid ROA:                     13427
    Number of IPv4 prefixes with an invalid ROA:                      8
    Number of IPv4 prefixes with no ROA:                          12407
Total ASes present in the Internet Routing Table:                  2730
    Prefixes per ASN:                                              9.47
Origin-only ASes present in the Internet Routing Table:            2368
Origin ASes announcing only one prefix:                            1043
Transit ASes present in the Internet Routing Table:                 362
Transit-only ASes present in the Internet Routing Table:             61
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44730
Number of 32-bit ASNs visible in the Routing Table:                 647
Prefixes from 32-bit ASNs in the Routing Table:                    4635
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:                    294834912
    Equivalent to 17 /8s, 146 /16s and 210 /24s
    Percentage of available address space announced:                8.0
    Percentage of allocated address space announced:                8.0
    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:        3401

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4644
    Total APNIC prefixes after maximum aggregation:                2283
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4752
    Unique aggregates announced from the APNIC address blocks:     2683
APNIC Region origin ASes present in the Internet Routing Table:     548
    APNIC Prefixes per ASN:                                        8.67
APNIC Region origin ASes announcing only one prefix:                230
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               47137600
    Equivalent to 2 /8s, 207 /16s and 67 /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:                     15365
    Total ARIN prefixes after maximum aggregation:                 7153
    ARIN Deaggregation factor:                                     2.15
Prefixes being announced from the ARIN address blocks:            14907
    Unique aggregates announced from the ARIN address blocks:      7749
ARIN Region origin ASes present in the Internet Routing Table:     1254
    ARIN Prefixes per ASN:                                        11.89
ARIN Region origin ASes announcing only one prefix:                 441
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     211
Number of ARIN addresses announced to Internet:               169474800
    Equivalent to 10 /8s, 25 /16s and 250 /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, 393216-402332
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:                      3627
    Total RIPE prefixes after maximum aggregation:                 2884
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3959
    Unique aggregates announced from the RIPE address blocks:      3325
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         5.87
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     151
Number of RIPE addresses announced to Internet:                71049360
    Equivalent to 4 /8s, 60 /16s and 32 /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:                    1356
    Total LACNIC prefixes after maximum aggregation:                544
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1364
    Unique aggregates announced from the LACNIC address blocks:     735
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.53
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4627488
    Equivalent to 0 /8s, 70 /16s and 156 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    848
    Total AfriNIC prefixes after maximum aggregation:               148
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:           855
    Unique aggregates announced from the AfriNIC address blocks:    199
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     27.58
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      3.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2544384
    Equivalent to 0 /8s, 38 /16s and 211 /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         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  UNASSIGNED
  1237         193         74     142  UNASSIGNED
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  UNASSIGNED
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  9411          82         16       2  UNASSIGNED
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNASSIGNED

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2758       3619     408  GOOGLE-CLOUD-PLATFORM, US
 16509        2207       1720     969  AMAZON-02, US
 14618         926       4168     706  AMAZON-AES, US
 15169         823       1997      62  GOOGLE, US
  8075         485      13696     408  UNASSIGNED
   376         203        162     152  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
  2152         149        507      94  CSUNET-NW, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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         160         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  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
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  RUNNET, RU

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         156        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         109         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      71  TENET-1, ZA
 36914         253         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2758       3619     408  GOOGLE-CLOUD-PLATFORM, US
 16509        2207       1720     969  AMAZON-02, US
 14618         926       4168     706  AMAZON-AES, US
 15169         823       1997      62  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  8075         485      13696     408  UNASSIGNED
  7497         440        180      24  UNASSIGNED
  2018         376        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         253         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 16509        2207         1238  AMAZON-02, US
 15169         823          761  GOOGLE, US
  7497         440          416  UNASSIGNED
  2018         376          305  TENET-1, ZA
 36914         253          250  KENET-AS, KE
 14618         926          220  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  8895         160          155  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, 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
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     Transit:     16509  AMAZON-02, US
204.153.219.0/24     Origin:     14618  AMAZON-AES, US
204.153.219.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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       /11:10      /12:33      
/13:47      /14:104     /15:193     /16:2141    /17:528     /18:515     
/19:744     /20:2816    /21:1054    /22:1687    /23:1755    /24:13999   
/25:72      /26:46      /27:67      /28:7       /29:14      /30:3       
/31:0       /32:3       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 16509         327        2207  AMAZON-02, US
 14618         306         926  AMAZON-AES, US
 15169         275         823  GOOGLE, US
 36914         240         253  KENET-AS, KE
396982         222        2758  GOOGLE-CLOUD-PLATFORM, US
  8895         155         160  ISU Internet Services Unit ISU, SA
  8075         105         485  UNASSIGNED
 32440          85         119  LONI, US
 23024          49         106  OCDE, US
327700          37          42  MoRENet, MZ

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         2:1         3:85        5:22        8:28       12:1      
  13:77       14:91       15:71       16:115      18:70       23:110    
  24:3        31:3        34:23       35:49       36:1        38:10     
  40:5        41:200      42:10       43:2        44:7        45:71     
  46:12       47:1        49:9        50:5        52:557      54:163    
  59:19       60:6        61:3        62:16       63:37       64:163    
  65:16       66:84       67:66       68:15       69:52       70:43     
  71:3        72:12       74:153      75:1        76:47       77:11     
  78:3        79:10       80:14       81:27       82:6        83:7      
  84:6        85:45       86:5        87:4        88:1        89:21     
  91:66       92:7        93:5        94:6        95:3        96:2      
  97:1        98:10       99:47      101:2       102:8       103:305    
 104:228     107:35      108:106     109:12      111:1       113:4      
 114:32      115:1       116:10      117:62      118:34      119:21     
 121:11      122:8       123:8       124:41      125:5       128:88     
 129:45      130:139     131:73      132:66      133:157     134:108    
 135:6       136:298     137:70      138:62      139:17      140:42     
 141:8       142:269     143:29      144:42      145:6       146:110    
 147:77      148:202     149:17      150:48      151:21      152:139    
 153:15      154:28      155:83      156:136     157:31      158:42     
 159:153     160:30      161:37      162:106     163:66      164:24     
 165:66      166:1       167:28      168:157     169:10      170:164    
 171:1       172:113     173:117     174:2       175:18      176:11     
 177:5       178:2       179:14      180:15      181:1       182:1      
 184:2       185:135     186:3       187:18      188:19      189:3      
 190:18      191:13      192:1460    193:284     194:138     195:77     
 196:151     197:115     198:478     199:336     200:256     201:37     
 202:618     203:438     204:391     205:159     206:213     207:235    
 208:152     209:180     210:195     211:14      212:173     213:18     
 216:199     217:14      218:22      219:5       220:17      222:2      
 223:14     

End of report


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