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

REN Routing Table Report cscora at frr.nsrc.org
Fri Jun 16 22:10:43 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Fri 16 Jun, 2023

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

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

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

BGP routing table entries examined:                               25302
    Prefixes after maximum aggregation (per Origin AS):           12453
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14140
    Number of IPv4 prefixes with a valid ROA:                     11226
    Number of IPv4 prefixes with an invalid ROA:                    191
    Number of IPv4 prefixes with no ROA:                          13885
Total ASes present in the Internet Routing Table:                  2772
    Prefixes per ASN:                                              9.13
Origin-only ASes present in the Internet Routing Table:            2385
Origin ASes announcing only one prefix:                            1057
Transit ASes present in the Internet Routing Table:                 387
Transit-only ASes present in the Internet Routing Table:             73
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 8
    Number of instances of unregistered ASNs:                         8
Number of 32-bit ASNs allocated by the RIRs:                      42067
Number of 32-bit ASNs visible in the Routing Table:                 646
Prefixes from 32-bit ASNs in the Routing Table:                    4538
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:              7
Number of addresses announced to Internet:                    243341130
    Equivalent to 14 /8s, 129 /16s and 23 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3388

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

Prefixes being announced by APNIC Region ASes:                     4720
    Total APNIC prefixes after maximum aggregation:                2299
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4764
    Unique aggregates announced from the APNIC address blocks:     2676
APNIC Region origin ASes present in the Internet Routing Table:     582
    APNIC Prefixes per ASN:                                        8.19
APNIC Region origin ASes announcing only one prefix:                252
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               45892160
    Equivalent to 2 /8s, 188 /16s and 66 /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:                     14310
    Total ARIN prefixes after maximum aggregation:                 6413
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14106
    Unique aggregates announced from the ARIN address blocks:      7231
ARIN Region origin ASes present in the Internet Routing Table:     1219
    ARIN Prefixes per ASN:                                        11.57
ARIN Region origin ASes announcing only one prefix:                 419
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     187
Number of ARIN addresses announced to Internet:               132565665
    Equivalent to 7 /8s, 230 /16s and 202 /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:                      3644
    Total RIPE prefixes after maximum aggregation:                 2870
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3802
    Unique aggregates announced from the RIPE address blocks:      3104
RIPE Region origin ASes present in the Internet Routing Table:      682
    RIPE Prefixes per ASN:                                         5.57
RIPE Region origin ASes announcing only one prefix:                 302
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     142
Number of RIPE addresses announced to Internet:                57974528
    Equivalent to 3 /8s, 116 /16s and 159 /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:                    1632
    Total LACNIC prefixes after maximum aggregation:                689
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1636
    Unique aggregates announced from the LACNIC address blocks:     896
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                      10.29
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4232809
    Equivalent to 0 /8s, 64 /16s and 150 /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:                    988
    Total AfriNIC prefixes after maximum aggregation:               174
    AfriNIC Deaggregation factor:                                  5.68
Prefixes being announced from the AfriNIC address blocks:           987
    Unique aggregates announced from the AfriNIC address blocks:    226
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     18.98
AfriNIC Region origin ASes announcing only one prefix:               28
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      4.4
    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:              2670080
    Equivalent to 0 /8s, 40 /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         607       2154     466  SINET-AS Research Organization of Infor
  7497         436        182      24  CSTNET-AS-AP Computer Network Informati
  1237         193         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         175        329     120  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         118         18      11  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
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2662       3593     376  GOOGLE-CLOUD-PLATFORM, US
 16509        2105       1680     821  AMAZON-02, US
 15169         823       2253      62  GOOGLE, US
 14618         786       4015     584  AMAZON-AES, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 36492         157         11      35  GOOGLEWIFI, US
  2152         140        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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         178         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/CEDIA/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         260        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         124          0      94  Telconet S.A, EC
 11340         114         25      51  Red Universitaria Nacional, CL
  1251          60         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          46         16       1  Red de Interconexion Universitaria, AR
 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/CEDIA/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      72  TENET-1, ZA
 36914         258         82       3  KENET-AS, KE
327687          58         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
 37215          36          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/CEDIA/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2662       3593     376  GOOGLE-CLOUD-PLATFORM, US
 16509        2105       1680     821  AMAZON-02, US
 15169         823       2253      62  GOOGLE, US
 14618         786       4015     584  AMAZON-AES, US
  2907         607       2154     466  SINET-AS Research Organization of Infor
  7497         436        182      24  CSTNET-AS-AP Computer Network Informati
  2018         381        319      72  TENET-1, ZA
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
  1916         260        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         258         82       3  KENET-AS, KE

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

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

   ASN  No of nets  Net Savings  Description
 16509        2105         1284  AMAZON-02, US
 15169         823          761  GOOGLE, US
  7497         436          412  CSTNET-AS-AP Computer Network Information Cente
  2018         381          309  TENET-1, ZA
 36914         258          255  KENET-AS, KE
  1916         260          216  Rede Nacional de Ensino e Pesquisa, BR
 14618         786          202  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         178          173  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
     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/CEDIA/data-badAS

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
76.76.19.0/24        Origin:     16509  AMAZON-02, US
76.76.19.0/24       Transit:     27750  Cooperacion Latino Americana de Redes Av
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     27750  Cooperacion Latino Americana de Redes Av
103.137.86.0/24      Origin:    138933  UCSY-AS-AP University of Computer Studie
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

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /10:2       /11:4       /12:20      
/13:34      /14:81      /15:161     /16:2083    /17:498     /18:483     
/19:722     /20:2771    /21:1028    /22:1637    /23:1714    /24:13609   
/25:95      /26:75      /27:91      /28:25      /29:84      /30:41      
/31:32      /32:11      

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

   ASN  No of nets  Total ann.  Description
 16509         285        2105  AMAZON-02, US
 15169         273         823  GOOGLE, US
 14618         256         786  AMAZON-AES, US
 36914         246         258  KENET-AS, KE
396982         193        2662  GOOGLE-CLOUD-PLATFORM, US
  8895         173         178  ISU Internet Services Unit ISU, SA
 27947          97         124  Telconet S.A, EC
 32440          79         108  LONI, US
 23024          52         113  OCDE, US
  1916          39         260  Rede Nacional de Ensino e Pesquisa, BR

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

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

   1:2         3:75        5:18        8:28       12:1        13:44     
  14:89       15:69       16:108      18:54       23:113      24:3      
  31:10       34:18       35:46       38:9        40:1        41:145    
  42:10       44:8        45:54       46:11       47:1        49:6      
  50:4        52:558      54:228      58:1        59:19       60:4      
  61:3        62:12       63:36       64:163      65:13       66:66     
  67:60       68:10       69:35       70:43       71:3        72:13     
  74:143      76:46       77:11       78:3        79:10       80:13     
  81:26       82:6        83:6        84:10       85:45       86:10     
  87:2        88:1        89:17       91:55       92:4        93:4      
  94:4        95:2        96:7        97:1        98:11       99:47     
 101:7       102:17      103:320     104:210     107:33      108:100    
 109:12      111:16      114:31      115:1       116:8       117:61     
 118:32      119:18      121:29      122:8       123:8       124:38     
 125:4       128:87      129:45      130:142     131:57      132:64     
 133:155     134:102     135:4       136:295     137:94      138:10     
 139:18      140:36      141:4       142:272     143:21      144:39     
 145:2       146:143     147:65      148:201     149:16      150:130    
 151:14      152:146     153:14      154:30      155:74      156:69     
 157:29      158:41      159:148     160:27      161:33      162:85     
 163:81      164:20      165:55      166:1       167:24      168:159    
 169:12      170:110     171:1       172:114     173:112     174:2      
 175:31      176:11      177:5       178:1       179:9       180:15     
 182:1       184:4       185:100     186:3       187:18      188:19     
 189:3       190:5       191:36      192:1467    193:307     194:128    
 195:87      196:169     197:165     198:486     199:300     200:297    
 201:36      202:646     203:431     204:368     205:147     206:199    
 207:188     208:128     209:162     210:184     211:3       212:172    
 213:15      216:166     217:11      218:22      219:6       220:16     
 222:4       223:4      

End of report


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