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

REN Routing Table Report cscora at frr.nsrc.org
Thu Aug 25 20:15:40 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Thu 25 Aug, 2022

  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:                               20338
    Prefixes after maximum aggregation (per Origin AS):           11143
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       12413
    Number of IPv4 prefixes with a valid ROA:                      5622
    Number of IPv4 prefixes with an invalid ROA:                     85
    Number of IPv4 prefixes with no ROA:                          14631
Total ASes present in the Internet Routing Table:                  2814
    Prefixes per ASN:                                              7.23
Origin-only ASes present in the Internet Routing Table:            2417
Origin ASes announcing only one prefix:                            1095
Transit ASes present in the Internet Routing Table:                 397
Transit-only ASes present in the Internet Routing Table:             74
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      40050
Number of 32-bit ASNs visible in the Routing Table:                 646
Prefixes from 32-bit ASNs in the Routing Table:                    1801
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:              2
Number of addresses announced to Internet:                    268424979
    Equivalent to 15 /8s, 255 /16s and 215 /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:        2682

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

Prefixes being announced by APNIC Region ASes:                     5055
    Total APNIC prefixes after maximum aggregation:                2421
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4926
    Unique aggregates announced from the APNIC address blocks:     2721
APNIC Region origin ASes present in the Internet Routing Table:     593
    APNIC Prefixes per ASN:                                        8.31
APNIC Region origin ASes announcing only one prefix:                262
APNIC Region transit ASes present in the Internet Routing Table:     74
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:    233
Number of APNIC addresses announced to Internet:               47756652
    Equivalent to 2 /8s, 216 /16s and 181 /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:                      9217
    Total ARIN prefixes after maximum aggregation:                 5046
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:             9279
    Unique aggregates announced from the ARIN address blocks:      5605
ARIN Region origin ASes present in the Internet Routing Table:     1242
    ARIN Prefixes per ASN:                                         7.47
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     185
Number of ARIN addresses announced to Internet:               149952321
    Equivalent to 8 /8s, 240 /16s and 23 /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:                      3666
    Total RIPE prefixes after maximum aggregation:                 2882
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3733
    Unique aggregates announced from the RIPE address blocks:      2983
RIPE Region origin ASes present in the Internet Routing Table:      691
    RIPE Prefixes per ASN:                                         5.40
RIPE Region origin ASes announcing only one prefix:                 308
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                63215942
    Equivalent to 3 /8s, 196 /16s and 153 /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:                    1443
    Total LACNIC prefixes after maximum aggregation:                576
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1444
    Unique aggregates announced from the LACNIC address blocks:     792
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.97
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4737312
    Equivalent to 0 /8s, 72 /16s and 73 /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:                    951
    Total AfriNIC prefixes after maximum aggregation:               212
    AfriNIC Deaggregation factor:                                  4.49
Prefixes being announced from the AfriNIC address blocks:           954
    Unique aggregates announced from the AfriNIC address blocks:    310
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     19.88
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2762240
    Equivalent to 0 /8s, 42 /16s and 38 /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         576       2140     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
 45102         282        475      90  ALIBABA-CN-NET Alibaba US Technology Co
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         189       4192      73  ERX-CERNET-BKB China Education and Rese
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol 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         752       3282      70  GOOGLE, US
  8075         265      11728     228  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         160        507      92  CSUNET-NW, US
  6939         160        120     111  HURRICANE, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         114          7      17  OCDE, US
  2920         111         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         282       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         180         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  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
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  3267          63         64      27  RUNNET, RU

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         176        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      15  CEDIA, EC
  4270          42         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

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      73  TENET-1, ZA
 36914         236         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      13  TERNET, TZ
 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         752       3282      70  GOOGLE, US
  2907         576       2140     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
   680         282       1951     250  DFN Verein zur Foerderung eines Deutsch
 45102         282        475      90  ALIBABA-CN-NET Alibaba US Technology Co
  8075         265      11728     228  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         236         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR

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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         376          303  TENET-1, ZA
 36914         236          233  KENET-AS, KE
  5786         200          199  UPRENET, PR
 45102         282          192  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  8895         180          176  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  1916         176          132  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
  2907         576          119  SINET-AS Research Organization of Information a

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     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             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
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:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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      
/13:39      /14:82      /15:151     /16:2134    /17:464     /18:506     
/19:735     /20:903     /21:906     /22:1478    /23:1641    /24:10939   
/25:87      /26:57      /27:90      /28:21      /29:19      /30:20      
/31:0       /32:31      

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

   ASN  No of nets  Total ann.  Description
 15169         276         752  GOOGLE, US
 36914         223         236  KENET-AS, KE
  8895         175         180  ISU Internet Services Unit ISU, SA
 32440          75          90  LONI, US
  6939          62         160  HURRICANE, US
 23024          53         114  OCDE, US
  8075          37         265  MICROSOFT-CORP-MSN-AS-BLOCK, US
 18632          34          63  VOLCANO-VISION, US
 46115          32          35  LUTHER, US
 25977          31          45  HCCS, US

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

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

   1:3         5:18        8:8        12:1        13:1        14:86     
  18:43       23:15       24:3        31:7        34:2        35:5      
  37:2        38:9        40:1        41:127      42:15       43:1      
  44:5        45:34       46:5        47:40       49:10       50:4      
  52:2        58:11       59:21       60:4        61:3        62:15     
  63:39       64:83       65:8        66:43       67:45       68:8      
  69:20       70:11       71:1        72:16       74:116      76:37     
  77:7        78:4        79:10       80:20       81:27       82:6      
  83:6        84:9        85:46       86:10       87:1        88:1      
  89:10       91:47       92:1        93:4        94:8        95:4      
  96:5        97:1        98:2       101:8       102:13      103:323    
 104:76      107:16      108:43      109:11      110:6       111:17     
 113:4       114:23      116:6       117:61      118:33      119:23     
 121:28      122:8       123:8       124:39      125:4       128:86     
 129:39      130:90      131:80      132:59      133:145     134:100    
 136:200     137:74      138:12      139:5       140:46      141:1      
 142:156     143:31      144:25      145:2       146:130     147:55     
 148:192     149:12      150:132     151:6       152:78      153:13     
 154:28      155:53      156:67      157:23      158:41      159:116    
 160:26      161:27      162:22      163:71      164:10      165:57     
 166:1       167:17      168:121     169:9       170:68      172:91     
 173:86      175:30      176:8       177:11      178:1       179:10     
 180:18      181:1       182:4       184:6       185:60      186:3      
 187:19      188:13      189:3       190:34      191:35      192:1438   
 193:314     194:152     195:94      196:162     197:141     198:527    
 199:270     200:219     201:38      202:634     203:439     204:355    
 205:128     206:194     207:171     208:88      209:133     210:183    
 211:13      212:177     213:5       216:122     217:12      218:22     
 219:12      220:17      222:6       223:7      

End of report


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