[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Sat Jun 24 20:15:41 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Sat 24 Jun, 2023

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                               20972
    Prefixes after maximum aggregation (per Origin AS):           11340
    Deaggregation factor:                                          1.85
    Unique aggregates announced (without unneeded subnets):       12573
    Number of IPv4 prefixes with a valid ROA:                      6533
    Number of IPv4 prefixes with an invalid ROA:                     29
    Number of IPv4 prefixes with no ROA:                          14410
Total ASes present in the Internet Routing Table:                  2803
    Prefixes per ASN:                                              7.48
Origin-only ASes present in the Internet Routing Table:            2404
Origin ASes announcing only one prefix:                            1059
Transit ASes present in the Internet Routing Table:                 399
Transit-only ASes present in the Internet Routing Table:             94
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      42149
Number of 32-bit ASNs visible in the Routing Table:                 624
Prefixes from 32-bit ASNs in the Routing Table:                    1928
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              6
Number of addresses announced to Internet:                    270949517
    Equivalent to 16 /8s, 38 /16s and 92 /24s
    Percentage of available address space announced:                7.3
    Percentage of allocated address space announced:                7.3
    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:        2855

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

Prefixes being announced by APNIC Region ASes:                     4956
    Total APNIC prefixes after maximum aggregation:                2340
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            4821
    Unique aggregates announced from the APNIC address blocks:     2657
APNIC Region origin ASes present in the Internet Routing Table:     531
    APNIC Prefixes per ASN:                                        9.08
APNIC Region origin ASes announcing only one prefix:                221
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    197
Number of APNIC addresses announced to Internet:               47474540
    Equivalent to 2 /8s, 212 /16s and 103 /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:                      9697
    Total ARIN prefixes after maximum aggregation:                 5342
    ARIN Deaggregation factor:                                     1.82
Prefixes being announced from the ARIN address blocks:             9709
    Unique aggregates announced from the ARIN address blocks:      5821
ARIN Region origin ASes present in the Internet Routing Table:     1259
    ARIN Prefixes per ASN:                                         7.71
ARIN Region origin ASes announcing only one prefix:                 440
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     189
Number of ARIN addresses announced to Internet:               148422529
    Equivalent to 8 /8s, 216 /16s and 191 /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:                      3717
    Total RIPE prefixes after maximum aggregation:                 2909
    RIPE Deaggregation factor:                                     1.28
Prefixes being announced from the RIPE address blocks:             3833
    Unique aggregates announced from the RIPE address blocks:      3067
RIPE Region origin ASes present in the Internet Routing Table:      705
    RIPE Prefixes per ASN:                                         5.44
RIPE Region origin ASes announcing only one prefix:                 313
RIPE Region transit ASes present in the Internet Routing Table:     114
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     147
Number of RIPE addresses announced to Internet:                67499520
    Equivalent to 4 /8s, 5 /16s and 246 /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:                    1499
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.64
Prefixes being announced from the LACNIC address blocks:           1499
    Unique aggregates announced from the LACNIC address blocks:     787
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       9.49
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4744096
    Equivalent to 0 /8s, 72 /16s and 99 /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:                   1096
    Total AfriNIC prefixes after maximum aggregation:               174
    AfriNIC Deaggregation factor:                                  6.30
Prefixes being announced from the AfriNIC address blocks:          1104
    Unique aggregates announced from the AfriNIC address blocks:    235
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     21.23
AfriNIC Region origin ASes announcing only one prefix:               27
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2803200
    Equivalent to 0 /8s, 42 /16s and 198 /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         607       2154     466  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
 45102         311        526     102  ALIBABA-CN-NET Alibaba US Technology Co
  1237         197         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     120  AARNET-AS-AP Australian Academic and Re
  4538         130       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

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         826       2257      64  GOOGLE, US
  8075         350      12789     295  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         260        507      94  CSUNET-NW, US
  6939         237        124     188  HURRICANE, US
   668         211        620     179  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US
   270         117        329      82  AS270, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         177         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  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/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         259        192      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          55         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          48         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         380        319      72  TENET-1, ZA
 36914         257         82       3  KENET-AS, KE
327687         164         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
 37215          37          8       1  MAREN, MW
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         826       2257      64  GOOGLE, US
  2907         607       2154     466  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      72  TENET-1, ZA
  8075         350      12789     295  MICROSOFT-CORP-MSN-AS-BLOCK, US
 45102         311        526     102  ALIBABA-CN-NET Alibaba US Technology Co
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
  2152         260        507      94  CSUNET-NW, US
  1916         259        192      43  Rede Nacional de Ensino e Pesquisa, BR
 36914         257         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  7497         435          412  CSTNET-AS-AP Computer Network Information Cente
  2018         380          308  TENET-1, ZA
 36914         257          254  KENET-AS, KE
  1916         259          216  Rede Nacional de Ensino e Pesquisa, BR
 45102         311          209  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  5786         198          197  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         177          172  ISU Internet Services Unit ISU, SA
  2152         260          166  CSUNET-NW, US
327687         164          161  RENU, UG

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     29867  UNALLOCATED  64.202.80.0/20           22742  CT-EDU-NET, US
    138933  UNALLOCATED  103.137.86.0/24          24490  TEIN2-SG-AP Trans-Eurasia In
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     29867  UNALLOCATED  192.160.243.0/24         22742  CT-EDU-NET, US
     29867  UNALLOCATED  192.160.244.0/24         22742  CT-EDU-NET, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
64.202.80.0/20       Origin:     29867  UNASSIGNED
64.202.80.0/20      Transit:     22742  CT-EDU-NET, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     20965  GEANT The GEANT IP Service, NL
103.137.86.0/24      Origin:    138933  UNASSIGNED
103.137.86.0/24     Transit:     24490  TEIN2-SG-AP Trans-Eurasia Information Ne
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      6939  HURRICANE, US
192.88.99.0/24      Transit:     17579  KREONET2-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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       /10:4       /11:7       /12:23      
/13:37      /14:68      /15:155     /16:2161    /17:481     /18:496     
/19:731     /20:908     /21:935     /22:1562    /23:1678    /24:11407   
/25:90      /26:67      /27:89      /28:18      /29:20      /30:16      
/31:1       /32:17      

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

   ASN  No of nets  Total ann.  Description
 15169         273         826  GOOGLE, US
 36914         245         257  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
  6939         124         237  HURRICANE, US
 32440          79         108  LONI, US
  8075          61         350  MICROSOFT-CORP-MSN-AS-BLOCK, US
 23024          52         112  OCDE, US
  1916          39         259  Rede Nacional de Ensino e Pesquisa, BR
327700          36          42  MoRENet, MZ
 18632          34          65  VOLCANO-VISION, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:2         2:1         5:16        6:4         8:8        12:1      
  13:1        14:89       23:13       24:3        31:7        34:2      
  35:3        38:9        40:1        41:146      42:10       43:7      
  44:6        45:46       46:6        47:38       49:6        50:4      
  52:2        59:19       60:4        61:3        62:21       63:38     
  64:86       65:8        66:57       67:44       68:8        69:25     
  70:12       71:1        72:17       74:118      76:41       77:9      
  78:3        79:10       80:16       81:26       82:7        83:6      
  84:14       85:43       86:15       87:1        89:11       91:49     
  92:4        93:4        94:8        95:2        97:2        98:2      
 101:2       102:33      103:259     104:85      107:54      108:48     
 109:10      110:2       111:17      113:4       114:23      116:6      
 117:61      118:32      119:18      121:29      122:8       123:8      
 124:38      125:4       128:87      129:42      130:86      131:61     
 132:64      133:155     134:107     135:1       136:201     137:132    
 138:12      139:7       140:49      141:1       142:259     143:21     
 144:25      145:4       146:131     147:57      148:193     149:12     
 150:42      151:11      152:144     153:14      154:33      155:67     
 156:68      157:23      158:38      159:115     160:27      161:33     
 162:22      163:79      164:10      165:51      166:2       167:16     
 168:123     169:8       170:87      171:1       172:92      173:85     
 175:19      176:9       177:4       178:1       179:12      180:15     
 181:5       182:1       184:4       185:75      186:3       187:17     
 188:13      189:3       190:18      191:37      192:1464    193:303    
 194:152     195:95      196:201     197:163     198:571     199:304    
 200:300     201:38      202:628     203:438     204:366     205:145    
 206:192     207:189     208:87      209:150     210:184     211:3      
 212:174     213:6       214:8       216:129     217:12      218:22     
 219:6       220:17      222:4       223:16     

End of report


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