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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 21 17:02:08 UTC 2024


IPv4 R&E Routing Table Report   17:00 GMT Tue 21 May, 2024

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

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

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

BGP routing table entries examined:                               18985
    Prefixes after maximum aggregation (per Origin AS):           10691
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11773
    Number of IPv4 prefixes with a valid ROA:                      5770
    Number of IPv4 prefixes with an invalid ROA:                     13
    Number of IPv4 prefixes with no ROA:                          13202
Total ASes present in the Internet Routing Table:                  2787
    Prefixes per ASN:                                              6.81
Origin-only ASes present in the Internet Routing Table:            2421
Origin ASes announcing only one prefix:                            1067
Transit ASes present in the Internet Routing Table:                 366
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      44495
Number of 32-bit ASNs visible in the Routing Table:                 656
Prefixes from 32-bit ASNs in the Routing Table:                    1817
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:              4
Number of addresses announced to Internet:                    202585520
    Equivalent to 12 /8s, 19 /16s and 53 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2178

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

Prefixes being announced by APNIC Region ASes:                     4784
    Total APNIC prefixes after maximum aggregation:                2325
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4781
    Unique aggregates announced from the APNIC address blocks:     2617
APNIC Region origin ASes present in the Internet Routing Table:     580
    APNIC Prefixes per ASN:                                        8.24
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    230
Number of APNIC addresses announced to Internet:               45621312
    Equivalent to 2 /8s, 184 /16s and 32 /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:                      8272
    Total ARIN prefixes after maximum aggregation:                 4752
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             8289
    Unique aggregates announced from the ARIN address blocks:      5254
ARIN Region origin ASes present in the Internet Routing Table:     1252
    ARIN Prefixes per ASN:                                         6.62
ARIN Region origin ASes announcing only one prefix:                 440
ARIN Region transit ASes present in the Internet Routing Table:     156
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:     202
Number of ARIN addresses announced to Internet:                92558816
    Equivalent to 5 /8s, 132 /16s and 85 /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:                      3687
    Total RIPE prefixes after maximum aggregation:                 2921
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3677
    Unique aggregates announced from the RIPE address blocks:      2978
RIPE Region origin ASes present in the Internet Routing Table:      697
    RIPE Prefixes per ASN:                                         5.28
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         2.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     152
Number of RIPE addresses announced to Internet:                57739152
    Equivalent to 3 /8s, 113 /16s and 7 /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:                    1362
    Total LACNIC prefixes after maximum aggregation:                537
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1359
    Unique aggregates announced from the LACNIC address blocks:     715
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       8.55
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:                       5.0
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4233728
    Equivalent to 0 /8s, 64 /16s and 154 /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:                    875
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  5.79
Prefixes being announced from the AfriNIC address blocks:           875
    Unique aggregates announced from the AfriNIC address blocks:    206
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     28.23
AfriNIC Region origin ASes announcing only one prefix:               15
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   10
Number of AfriNIC addresses announced to Internet:              2424064
    Equivalent to 0 /8s, 36 /16s and 253 /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         443        180      24  CSTNET-AS-AP Computer Network Informati
  1237         193         74     142  KREONET-AS-KR KISTI, KR
  4538         190       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         129         19      18  NKN-CORE-NW NKN Core Network, IN
  9411          82         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         203        162     152  RISQ-AS, CA
   668         198        628     168  DNIC-AS-00668, US
  5786         198         16       1  UPRENET, PR
  2920         177         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         150        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 32440         118         35      18  LONI, US
 23024         108          7      22  OCDE, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     184  JANET Jisc Services Limited, GB
  8895         159         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
  3267          86         27      68  RUNNET, RU
   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

Complete listing at https://bgp.nsrc.org/REN/GEANT/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         108         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  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
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         380        319      71  TENET-1, ZA
 36914         252         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          47         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37654          14          1       8  RwEdNet-AS, RW
 30983          12          4       2  MARWAN-AS, MA
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         443        180      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         252         82       3  KENET-AS, KE
   376         203        162     152  RISQ-AS, CA
   668         198        628     168  DNIC-AS-00668, US
  5786         198         16       1  UPRENET, PR
  1237         193         74     142  KREONET-AS-KR KISTI, KR
  4538         190       4193      75  ERX-CERNET-BKB China Education and Rese

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

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

   ASN  No of nets  Net Savings  Description
  7497         443          419  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 36914         252          249  KENET-AS, KE
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         177          170  LACOE, US
  8895         159          154  ISU Internet Services Unit ISU, SA
 18558         140          136  NETBLK-RCOEK, US
  4538         190          115  ERX-CERNET-BKB China Education and Research Net
  1916         156          113  Rede Nacional de Ensino e Pesquisa, BR

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65111  PRIVATE      62.40.99.40/29           20965  GEANT The GEANT IP Service, 
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/GEANT/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
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

Complete listing at https://bgp.nsrc.org/REN/GEANT/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       /10:1       /11:1       /12:10      
/13:19      /14:35      /15:121     /16:2014    /17:427     /18:454     
/19:573     /20:878     /21:896     /22:1483    /23:1542    /24:10292   
/25:81      /26:47      /27:65      /28:8       /29:14      /30:11      
/31:1       /32:11      

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

   ASN  No of nets  Total ann.  Description
 36914         239         252  KENET-AS, KE
  8895         154         159  ISU Internet Services Unit ISU, SA
 32440          84         118  LONI, US
 23024          51         108  OCDE, US
327700          41          47  MoRENet, MZ
  3267          39          86  RUNNET, RU
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

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

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

   1:2         5:15        6:4         8:2        12:1        14:90     
  23:4        24:3        31:1        35:3        38:10       40:1      
  41:202      42:16       44:5        45:37       46:5        47:1      
  49:9        50:3        52:1        58:16       59:20       60:6      
  61:3        62:15       63:32       64:44       65:1        66:49     
  67:41       68:10       69:18       70:2        71:1        72:7      
  74:51       76:41       77:11       78:3        79:10       80:15     
  81:26       82:7        83:7        84:11       85:45       86:10     
  87:1        89:11       91:51       92:2        93:5        94:2      
  95:2        96:5        97:1        98:2       101:5       102:5      
 103:322     104:76      108:8       109:8       114:24      116:8      
 117:61      118:35      119:21      121:12      122:8       123:8      
 124:41      125:5       128:89      129:35      130:84      131:62     
 132:66      133:157     134:108     136:197     137:50      138:57     
 139:5       140:38      141:3       142:26      143:24      144:25     
 145:2       146:135     147:60      148:193     149:11      150:41     
 151:9       152:136     153:14      154:32      155:63      156:140    
 157:19      158:35      159:119     160:30      161:17      162:20     
 163:59      164:11      165:48      166:1       167:12      168:120    
 169:6       170:91      172:3       173:6       175:25      176:8      
 177:6       179:9       180:15      181:1       182:9       184:6      
 185:57      186:3       187:17      188:13      189:3       190:16     
 191:13      192:1477    193:274     194:147     195:93      196:155    
 197:116     198:470     199:274     200:253     201:37      202:621    
 203:428     204:366     205:135     206:195     207:204     208:72     
 209:111     210:205     211:15      212:161     213:6       214:8      
 216:92      217:10      218:22      219:5       220:17      222:3      
 223:14     

End of report


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