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

REN Routing Table Report cscora at frr.nsrc.org
Sun Feb 12 20:15:37 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Sun 12 Feb, 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:                               20599
    Prefixes after maximum aggregation (per Origin AS):           11175
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12490
    Number of IPv4 prefixes with a valid ROA:                      6078
    Number of IPv4 prefixes with an invalid ROA:                     88
    Number of IPv4 prefixes with no ROA:                          14433
Total ASes present in the Internet Routing Table:                  2821
    Prefixes per ASN:                                              7.30
Origin-only ASes present in the Internet Routing Table:            2426
Origin ASes announcing only one prefix:                            1069
Transit ASes present in the Internet Routing Table:                 395
Transit-only ASes present in the Internet Routing Table:             84
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      19
    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:                      41186
Number of 32-bit ASNs visible in the Routing Table:                 642
Prefixes from 32-bit ASNs in the Routing Table:                    1799
Number of bogon 32-bit ASNs visible in the Routing Table:             1
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              3
Number of addresses announced to Internet:                    267594067
    Equivalent to 15 /8s, 243 /16s and 41 /24s
    Percentage of available address space announced:                7.2
    Percentage of allocated address space announced:                7.2
    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:        2734

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

Prefixes being announced by APNIC Region ASes:                     5151
    Total APNIC prefixes after maximum aggregation:                2417
    APNIC Deaggregation factor:                                    2.13
Prefixes being announced from the APNIC address blocks:            5013
    Unique aggregates announced from the APNIC address blocks:     2753
APNIC Region origin ASes present in the Internet Routing Table:     581
    APNIC Prefixes per ASN:                                        8.63
APNIC Region origin ASes announcing only one prefix:                245
APNIC Region transit ASes present in the Internet Routing Table:     69
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    222
Number of APNIC addresses announced to Internet:               47695724
    Equivalent to 2 /8s, 215 /16s and 199 /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, 131072-151865
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:                      9331
    Total ARIN prefixes after maximum aggregation:                 5079
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:             9371
    Unique aggregates announced from the ARIN address blocks:      5612
ARIN Region origin ASes present in the Internet Routing Table:     1243
    ARIN Prefixes per ASN:                                         7.54
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     162
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     186
Number of ARIN addresses announced to Internet:               145116449
    Equivalent to 8 /8s, 166 /16s and 77 /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:                      3702
    Total RIPE prefixes after maximum aggregation:                 2904
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3802
    Unique aggregates announced from the RIPE address blocks:      3048
RIPE Region origin ASes present in the Internet Routing Table:      703
    RIPE Prefixes per ASN:                                         5.41
RIPE Region origin ASes announcing only one prefix:                 313
RIPE Region transit ASes present in the Internet Routing Table:     106
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:     145
Number of RIPE addresses announced to Internet:                67490374
    Equivalent to 4 /8s, 5 /16s and 210 /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:                    1387
    Total LACNIC prefixes after maximum aggregation:                560
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1384
    Unique aggregates announced from the LACNIC address blocks:     776
LACNIC Region origin ASes present in the Internet Routing Table:    150
    LACNIC Prefixes per ASN:                                       9.23
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               4499840
    Equivalent to 0 /8s, 68 /16s and 169 /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:                   1021
    Total AfriNIC prefixes after maximum aggregation:               208
    AfriNIC Deaggregation factor:                                  4.91
Prefixes being announced from the AfriNIC address blocks:          1026
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     19.00
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   12
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:   29
Number of AfriNIC addresses announced to Internet:              2790656
    Equivalent to 0 /8s, 42 /16s and 149 /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         595       2157     463  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
 45102         320        510     100  ALIBABA-CN-NET Alibaba US Technology Co
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
  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/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         799       2258      65  GOOGLE, US
  8075         316      12787     270  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         216        507      93  CSUNET-NW, US
   376         199        178     148  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  6939         170        118     121  HURRICANE, US
 18558         133         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, 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         281       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   559         116        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  3267          67         64      28  RUNNET, RU
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol

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         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          57         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
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         376        319      72  TENET-1, ZA
 36914         249         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          43         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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         799       2258      65  GOOGLE, US
  2907         595       2157     463  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      72  TENET-1, ZA
 45102         320        510     100  ALIBABA-CN-NET Alibaba US Technology Co
  8075         316      12787     270  MICROSOFT-CORP-MSN-AS-BLOCK, US
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         249         82       3  KENET-AS, KE
  2152         216        507      93  CSUNET-NW, US
   376         199        178     148  RISQ-AS, CA

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          410  CSTNET-AS-AP Computer Network Information Cente
  2018         376          304  TENET-1, ZA
 36914         249          246  KENET-AS, KE
 45102         320          220  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
  2907         595          132  SINET-AS Research Organization of Information a
 18558         133          129  NETBLK-RCOEK, US

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     65591  UNALLOCATED  196.21.92.0/22            2018  TENET-1, ZA
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, 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
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
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      
/13:38      /14:68      /15:152     /16:2122    /17:473     /18:506     
/19:737     /20:913     /21:906     /22:1538    /23:1654    /24:11134   
/25:86      /26:59      /27:94      /28:19      /29:18      /30:21      
/31:1       /32:25      

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

   ASN  No of nets  Total ann.  Description
 15169         271         799  GOOGLE, US
 36914         236         249  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          79          94  LONI, US
  6939          65         170  HURRICANE, US
 23024          52         113  OCDE, US
  8075          51         316  MICROSOFT-CORP-MSN-AS-BLOCK, US
 18632          34          65  VOLCANO-VISION, US
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, 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         5:18        8:8        12:1        13:1      
  14:89       23:16       24:3        31:7        34:2        35:7      
  38:9        40:1        41:141      42:15       43:6        44:5      
  45:41       46:6        47:42       49:10       50:5        52:2      
  58:12       59:21       60:4        61:3        62:21       63:38     
  64:86       65:8        66:56       67:45       68:8        69:26     
  70:10       71:1        72:17       74:116      76:39       77:9      
  78:4        79:10       80:19       81:28       82:6        83:6      
  84:14       85:44       86:10       87:1        89:10       91:48     
  92:2        93:4        94:8        95:2        96:5        97:2      
  98:2       101:8       102:15      103:329     104:78      107:16     
 108:44      109:11      110:4       111:17      113:4       114:23     
 116:6       117:61      118:33      119:21      121:28      122:8      
 123:8       124:39      125:4       128:86      129:42      130:88     
 131:67      132:63      133:149     134:101     136:199     137:78     
 138:11      139:7       140:44      141:1       142:235     143:29     
 144:25      145:4       146:132     147:56      148:193     149:12     
 150:132     151:7       152:78      153:14      154:30      155:57     
 156:69      157:29      158:38      159:114     160:27      161:26     
 162:22      163:76      164:10      165:51      166:2       167:15     
 168:124     169:10      170:76      171:1       172:92      173:84     
 175:31      176:10      177:9       178:1       179:9       180:17     
 181:1       182:1       184:5       185:65      186:3       187:19     
 188:13      189:3       190:15      191:36      192:1438    193:350    
 194:156     195:94      196:162     197:152     198:548     199:264    
 200:221     201:35      202:627     203:428     204:355     205:136    
 206:194     207:180     208:81      209:140     210:186     211:18     
 212:173     213:5       216:126     217:13      218:22      219:12     
 220:17      222:6       223:11     

End of report


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