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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 10 22:15:37 UTC 2023


IPv4 R&E Routing Table Report   22:15 GMT Sun 10 Dec, 2023

  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:                               18640
    Prefixes after maximum aggregation (per Origin AS):           10393
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11407
    Number of IPv4 prefixes with a valid ROA:                      5681
    Number of IPv4 prefixes with an invalid ROA:                    122
    Number of IPv4 prefixes with no ROA:                          12837
Total ASes present in the Internet Routing Table:                  2761
    Prefixes per ASN:                                              6.75
Origin-only ASes present in the Internet Routing Table:            2382
Origin ASes announcing only one prefix:                            1069
Transit ASes present in the Internet Routing Table:                 379
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:             87
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                91
    Number of instances of unregistered ASNs:                        91
Number of 32-bit ASNs allocated by the RIRs:                      43221
Number of 32-bit ASNs visible in the Routing Table:                 653
Prefixes from 32-bit ASNs in the Routing Table:                    1966
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:              1
Number of addresses announced to Internet:                    201639657
    Equivalent to 12 /8s, 4 /16s and 198 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2256

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

Prefixes being announced by APNIC Region ASes:                     4661
    Total APNIC prefixes after maximum aggregation:                2283
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4661
    Unique aggregates announced from the APNIC address blocks:     2589
APNIC Region origin ASes present in the Internet Routing Table:     545
    APNIC Prefixes per ASN:                                        8.55
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45629248
    Equivalent to 2 /8s, 184 /16s and 63 /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:                      7702
    Total ARIN prefixes after maximum aggregation:                 4454
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7730
    Unique aggregates announced from the ARIN address blocks:      4910
ARIN Region origin ASes present in the Internet Routing Table:     1221
    ARIN Prefixes per ASN:                                         6.33
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     159
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     193
Number of ARIN addresses announced to Internet:                91308416
    Equivalent to 5 /8s, 113 /16s and 65 /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:                      3600
    Total RIPE prefixes after maximum aggregation:                 2843
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3587
    Unique aggregates announced from the RIPE address blocks:      2906
RIPE Region origin ASes present in the Internet Routing Table:      698
    RIPE Prefixes per ASN:                                         5.14
RIPE Region origin ASes announcing only one prefix:                 314
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     150
Number of RIPE addresses announced to Internet:                57881600
    Equivalent to 3 /8s, 115 /16s and 52 /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:                    1431
    Total LACNIC prefixes after maximum aggregation:                589
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1506
    Unique aggregates announced from the LACNIC address blocks:     776
LACNIC Region origin ASes present in the Internet Routing Table:    170
    LACNIC Prefixes per ASN:                                       8.86
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    27
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:    72
Number of LACNIC addresses announced to Internet:               4159273
    Equivalent to 0 /8s, 63 /16s and 119 /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:                   1155
    Total AfriNIC prefixes after maximum aggregation:               176
    AfriNIC Deaggregation factor:                                  6.56
Prefixes being announced from the AfriNIC address blocks:          1155
    Unique aggregates announced from the AfriNIC address blocks:    225
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     21.79
AfriNIC Region origin ASes announcing only one prefix:               28
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2660864
    Equivalent to 0 /8s, 40 /16s and 154 /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         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  1237         196         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         175        329     118  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         126         19      17  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          69         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/RedCLARA/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         146        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
   270         118        329      82  AS270, US
 32440         112         35      18  LONI, US
 23024         109          7      22  OCDE, US
  2920         103         34       7  LACOE, US
 21976          80         51      18  NJEDGE-NET, 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       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         158         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          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          76        462      76  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          63        598      58  FR-RENATER Reseau National de telecommu

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         173        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      48  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          51         17       4  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          47          3      14  CEDIA, EC
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 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/RedCLARA/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      71  TENET-1, ZA
 36914         342         82       3  KENET-AS, KE
327687         156         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          12          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA

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
  2907         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         381        319      71  TENET-1, ZA
 36914         342         82       3  KENET-AS, KE
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  1237         196         74     142  KREONET-AS-KR KISTI, KR
   786         185       1767     182  JANET Jisc Services Limited, GB
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP

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

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

   ASN  No of nets  Net Savings  Description
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
 36914         342          339  KENET-AS, KE
  2018         381          310  TENET-1, ZA
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  8895         158          153  ISU Internet Services Unit ISU, SA
327687         156          153  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  1916         173          130  Rede Nacional de Ensino e Pesquisa, BR
 65085         154          118  -Private Use AS-, ZZ

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65248  PRIVATE      134.171.169.0/24         11340  Red Universitaria Nacional, 
     65101  PRIVATE      137.54.122.0/23            225  VIRGINIA-AS, US
     65200  PRIVATE      170.140.99.0/24          10490  SOUTHERN-CROSSROADS-SOX, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
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/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       /10:2       /11:1       /12:10      
/13:18      /14:35      /15:121     /16:1972    /17:423     /18:436     
/19:575     /20:838     /21:836     /22:1473    /23:1506    /24:10132   
/25:88      /26:67      /27:70      /28:7       /29:15      /30:8       
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 36914         327         342  KENET-AS, KE
  8895         153         158  ISU Internet Services Unit ISU, SA
 32440          80         112  LONI, US
 23024          52         109  OCDE, US
327700          37          43  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         5:15        8:2        12:1        14:87       23:5      
  24:3        31:7        35:6        38:9        40:1        41:172    
  42:10       44:7        45:42       46:5        47:1        49:9      
  50:1        52:1        58:1        59:19       60:5        61:3      
  62:11       63:31       64:48       65:1        66:39       67:41     
  68:10       69:17       70:2        71:1        72:7        74:51     
  76:41       77:9        78:3        79:10       80:12       81:25     
  82:7        83:7        84:8        85:27       86:4        87:1      
  89:10       91:50       92:2        93:17       94:4        95:2      
  96:5        97:1        98:2       101:2       102:34      103:270    
 104:73      108:8       109:7       111:16      114:23      116:6      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:40      125:4       128:87      129:44      130:83      131:64     
 132:63      133:155     134:106     136:196     137:123     138:9      
 139:5       140:38      141:3       142:39      143:23      144:25     
 145:2       146:132     147:55      148:193     149:11      150:44     
 151:12      152:133     153:14      154:30      155:63      156:65     
 157:16      158:34      159:115     160:30      161:15      162:20     
 163:78      164:13      165:47      166:1       167:13      168:118    
 169:8       170:86      171:1       172:3       173:7       175:18     
 176:8       177:6       179:12      180:15      181:1       182:1      
 184:2       185:61      186:3       187:18      188:14      189:3      
 190:20      191:13      192:1435    193:292     194:123     195:88     
 196:202     197:198     198:454     199:245     200:323     201:38     
 202:622     203:422     204:349     205:124     206:186     207:149    
 208:73      209:110     210:194     211:14      212:159     213:5      
 216:84      217:9       218:22      219:5       220:16      222:2      
 223:14     

End of report


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