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

REN Routing Table Report cscora at frr.nsrc.org
Thu Jul 6 20:15:40 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Thu 06 Jul, 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:                               21005
    Prefixes after maximum aggregation (per Origin AS):           11333
    Deaggregation factor:                                          1.85
    Unique aggregates announced (without unneeded subnets):       12548
    Number of IPv4 prefixes with a valid ROA:                      6588
    Number of IPv4 prefixes with an invalid ROA:                     30
    Number of IPv4 prefixes with no ROA:                          14387
Total ASes present in the Internet Routing Table:                  2813
    Prefixes per ASN:                                              7.47
Origin-only ASes present in the Internet Routing Table:            2412
Origin ASes announcing only one prefix:                            1060
Transit ASes present in the Internet Routing Table:                 401
Transit-only ASes present in the Internet Routing Table:             98
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:                      42238
Number of 32-bit ASNs visible in the Routing Table:                 632
Prefixes from 32-bit ASNs in the Routing Table:                    1888
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:                    271055629
    Equivalent to 16 /8s, 39 /16s and 251 /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:        2835

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

Prefixes being announced by APNIC Region ASes:                     4968
    Total APNIC prefixes after maximum aggregation:                2354
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            4833
    Unique aggregates announced from the APNIC address blocks:     2677
APNIC Region origin ASes present in the Internet Routing Table:     536
    APNIC Prefixes per ASN:                                        9.02
APNIC Region origin ASes announcing only one prefix:                224
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    201
Number of APNIC addresses announced to Internet:               47454828
    Equivalent to 2 /8s, 212 /16s and 26 /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:                      9748
    Total ARIN prefixes after maximum aggregation:                 5353
    ARIN Deaggregation factor:                                     1.82
Prefixes being announced from the ARIN address blocks:             9761
    Unique aggregates announced from the ARIN address blocks:      5840
ARIN Region origin ASes present in the Internet Routing Table:     1263
    ARIN Prefixes per ASN:                                         7.73
ARIN Region origin ASes announcing only one prefix:                 442
ARIN Region transit ASes present in the Internet Routing Table:     167
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:     194
Number of ARIN addresses announced to Internet:               148604673
    Equivalent to 8 /8s, 219 /16s and 135 /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:                      3707
    Total RIPE prefixes after maximum aggregation:                 2902
    RIPE Deaggregation factor:                                     1.28
Prefixes being announced from the RIPE address blocks:             3823
    Unique aggregates announced from the RIPE address blocks:      3060
RIPE Region origin ASes present in the Internet Routing Table:      701
    RIPE Prefixes per ASN:                                         5.45
RIPE Region origin ASes announcing only one prefix:                 308
RIPE Region transit ASes present in the Internet Routing Table:     113
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:     146
Number of RIPE addresses announced to Internet:                67495168
    Equivalent to 4 /8s, 5 /16s and 229 /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:                    1477
    Total LACNIC prefixes after maximum aggregation:                544
    LACNIC Deaggregation factor:                                   2.72
Prefixes being announced from the LACNIC address blocks:           1476
    Unique aggregates announced from the LACNIC address blocks:     731
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       9.22
LACNIC Region origin ASes announcing only one prefix:                60
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4694176
    Equivalent to 0 /8s, 71 /16s and 160 /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:                   1098
    Total AfriNIC prefixes after maximum aggregation:               173
    AfriNIC Deaggregation factor:                                  6.35
Prefixes being announced from the AfriNIC address blocks:          1106
    Unique aggregates announced from the AfriNIC address blocks:    234
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     21.69
AfriNIC Region origin ASes announcing only one prefix:               26
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:   27
Number of AfriNIC addresses announced to Internet:              2801152
    Equivalent to 0 /8s, 42 /16s and 190 /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         602       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
 45102         311        526     102  ALIBABA-CN-NET Alibaba US Technology Co
  1237         196         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         121         18      14  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         829       2257      64  GOOGLE, US
  8075         351      12789     296  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         274        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         176         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         258        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          57         36      15  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          48         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 28571          40         39      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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         382        319      72  TENET-1, ZA
 36914         259         82       3  KENET-AS, KE
327687         164         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          41         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         829       2257      64  GOOGLE, US
  2907         602       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  2018         382        319      72  TENET-1, ZA
  8075         351      12789     296  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         274        507      94  CSUNET-NW, US
 36914         259         82       3  KENET-AS, KE
  1916         258        192      43  Rede Nacional de Ensino e Pesquisa, BR

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         434          411  CSTNET-AS-AP Computer Network Information Cente
  2018         382          310  TENET-1, ZA
 36914         259          256  KENET-AS, KE
  1916         258          215  Rede Nacional de Ensino e Pesquisa, BR
 45102         311          209  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  5786         198          197  UPRENET, PR
  2152         274          180  CSUNET-NW, US
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         176          171  ISU Internet Services Unit ISU, SA
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     /16:2163    /17:484     /18:496     
/19:737     /20:911     /21:938     /22:1559    /23:1679    /24:11425   
/25:89      /26:68      /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         829  GOOGLE, US
 36914         247         259  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
  6939         124         237  HURRICANE, US
 32440          79         108  LONI, US
  8075          61         351  MICROSOFT-CORP-MSN-AS-BLOCK, US
 23024          52         113  OCDE, US
  1916          39         258  Rede Nacional de Ensino e Pesquisa, BR
327700          35          41  MoRENet, MZ
 18632          34          66  VOLCANO-VISION, US

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

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

   1:1         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        45:48       46:6        47:38       49:9        50:4      
  52:2        58:1        59:19       60:4        61:3        62:20     
  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        84:12       85:43       86:15       87:1        89:11     
  91:50       92:4        93:4        94:8        95:2        96:5      
  97:2        98:2       101:2       102:33      103:270     104:86     
 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     
 130:87      131:60      132:62      133:152     134:107     135:1      
 136:201     137:132     138:11      139:6       140:49      141:1      
 142:262     143:29      144:28      145:4       146:131     147:58     
 148:193     149:12      150:42      151:11      152:144     153:14     
 154:33      155:65      156:68      157:23      158:38      159:115    
 160:27      161:35      162:22      163:68      164:10      165:46     
 166:2       167:16      168:125     169:8       170:89      171:1      
 172:92      173:85      175:19      176:9       177:6       178:1      
 179:12      180:15      181:5       182:1       184:4       185:77     
 186:3       187:17      188:13      189:3       190:17      191:14     
 192:1465    193:303     194:149     195:94      196:202     197:164    
 198:581     199:305     200:309     201:38      202:629     203:439    
 204:366     205:145     206:193     207:191     208:87      209:152    
 210:184     211:3       212:172     213:6       214:8       216:129    
 217:12      218:22      219:6       220:17      222:2       223:16     


End of report


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