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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 20 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 20 Apr, 2024

  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:                              186366
    Prefixes after maximum aggregation (per Origin AS):           81531
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      101246
    Number of IPv4 prefixes with a valid ROA:                     71778
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         114569
Total ASes present in the Internet Routing Table:                 15828
    Prefixes per ASN:                                             11.77
Origin-only ASes present in the Internet Routing Table:           13683
Origin ASes announcing only one prefix:                            6258
Transit ASes present in the Internet Routing Table:                2145
Transit-only ASes present in the Internet Routing Table:            583
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               225
    Number of instances of unregistered ASNs:                       225
Number of 32-bit ASNs allocated by the RIRs:                      44213
Number of 32-bit ASNs visible in the Routing Table:                5732
Prefixes from 32-bit ASNs in the Routing Table:                   19172
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:             94
Number of addresses announced to Internet:                   1115398817
    Equivalent to 66 /8s, 123 /16s and 162 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       53574

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

Prefixes being announced by APNIC Region ASes:                    30295
    Total APNIC prefixes after maximum aggregation:                7096
    APNIC Deaggregation factor:                                    4.27
Prefixes being announced from the APNIC address blocks:           29942
    Unique aggregates announced from the APNIC address blocks:     8259
APNIC Region origin ASes present in the Internet Routing Table:    1143
    APNIC Prefixes per ASN:                                       26.20
APNIC Region origin ASes announcing only one prefix:                458
APNIC Region transit ASes present in the Internet Routing Table:    200
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    491
Number of APNIC addresses announced to Internet:              199150960
    Equivalent to 11 /8s, 222 /16s and 205 /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:                     84876
    Total ARIN prefixes after maximum aggregation:                46261
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83426
    Unique aggregates announced from the ARIN address blocks:     51155
ARIN Region origin ASes present in the Internet Routing Table:     7295
    ARIN Prefixes per ASN:                                        11.44
ARIN Region origin ASes announcing only one prefix:                3148
ARIN Region transit ASes present in the Internet Routing Table:     628
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1492
Number of ARIN addresses announced to Internet:               650579809
    Equivalent to 38 /8s, 199 /16s and 15 /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, 393216-402332
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:                     35185
    Total RIPE prefixes after maximum aggregation:                16577
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            36026
    Unique aggregates announced from the RIPE address blocks:     23726
RIPE Region origin ASes present in the Internet Routing Table:     3413
    RIPE Prefixes per ASN:                                        10.56
RIPE Region origin ASes announcing only one prefix:                1478
RIPE Region transit ASes present in the Internet Routing Table:     532
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1262
Number of RIPE addresses announced to Internet:               161630416
    Equivalent to 9 /8s, 162 /16s and 72 /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
                       196608-216475
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:                   31306
    Total LACNIC prefixes after maximum aggregation:               9901
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          31007
    Unique aggregates announced from the LACNIC address blocks:   15427
LACNIC Region origin ASes present in the Internet Routing Table:   3084
    LACNIC Prefixes per ASN:                                      10.05
LACNIC Region origin ASes announcing only one prefix:              1080
LACNIC Region transit ASes present in the Internet Routing Table:   618
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2380
Number of LACNIC addresses announced to Internet:              72024576
    Equivalent to 4 /8s, 75 /16s and 2 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   4479
    Total AfriNIC prefixes after maximum aggregation:              1511
    AfriNIC Deaggregation factor:                                  2.96
Prefixes being announced from the AfriNIC address blocks:          5871
    Unique aggregates announced from the AfriNIC address blocks:   2587
AfriNIC Region origin ASes present in the Internet Routing Table:   214
    AfriNIC Prefixes per ASN:                                     27.43
AfriNIC Region origin ASes announcing only one prefix:               94
AfriNIC Region transit ASes present in the Internet Routing Table:   61
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  107
Number of AfriNIC addresses announced to Internet:             31956480
    Equivalent to 1 /8s, 231 /16s and 158 /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
  9808        9691       8743      63  CHINAMOBILE-CN China Mobile Communicati
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1487        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         789        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         730      10656     150  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

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
 16509        9838      11364    3471  AMAZON-02, US
   749        3201      54912    2453  DNIC-AS-00749, US
   367        2831       3550    1351  DNIC-ASBLK-00306-00371, US
 11776        1856        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1703       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1637        105    1179  USDA-1, US
  5972        1400        393     639  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         897       4164     678  AMAZON-AES, 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
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1314        111    1070  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         723         60      21  Jordan Data Communications, JO
  8452         525       1841      10  TE-AS TE-AS, EG
 51167         500         96     207  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         393         34       5  ASN-ISKON, HR
 57878         380         31     187  PRAGER-IT, AT

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
  8151        5004       1300     865  UNINET, MX
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1103        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         920       1128      28  TELEFONICA BRASIL S.A, BR
 11664         589        103     223  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         484         68     209  Mega Cable, S.A. de C.V., MX
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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
 24863         632        238     189  LINKdotNET-AS, EG
 24835         423        365      30  RAYA-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         364        577     252  ETISALAT-MISR, EG
 36935         325        518      27  Vodafone-, EG
 36914         197         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

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
 16509        9838      11364    3471  AMAZON-02, US
  9808        9691       8743      63  CHINAMOBILE-CN China Mobile Communicati
  8151        5004       1300     865  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3201      54912    2453  DNIC-AS-00749, US
   367        2831       3550    1351  DNIC-ASBLK-00306-00371, US
 11776        1856        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1703       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1637        105    1179  USDA-1, US
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati

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

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

   ASN  No of nets  Net Savings  Description
  9808        9691         9628  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5004         4139  UNINET, MX
 11776        1856         1636  ATLANTICBB-JOHNSTOWN, US
   367        2831         1480  DNIC-ASBLK-00306-00371, US
 56047        1504         1457  CMNET-HUNAN-AP China Mobile communications corp
   209        1703         1389  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1487         1377  CMNET-JIANGSU-AP China Mobile communications co
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1313         1116  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, 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             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM
41.204.240.0/24      Origin:     36911  RESERVED, ZZ
41.204.240.0/24     Transit:    328766  RESERVED, ZZ

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        /8:11       /9:6       /10:17      /11:31      /12:92      
/13:126     /14:366     /15:709     /16:5955    /17:2485    /18:2643    
/19:5163    /20:8548    /21:10709   /22:19757   /23:20418   /24:109072  
/25:76      /26:50      /27:71      /28:19      /29:20      /30:17      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2844        5004  UNINET, MX
 16509        2099        9838  AMAZON-02, US
   209         961        1703  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1856  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         717         858  BRSPD-PUBLIC, US
  6147         699        1103  Telefonica del Peru S.A.A., PE
  8376         568         723  Jordan Data Communications, JO
  7979         451        1001  SERVERS-COM, US

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

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

   1:11        2:387       3:325       5:1055      6:149       7:5      
   8:622      11:171      12:651      13:311      14:100      15:281    
  16:174      17:6        18:737      20:34       21:4        22:188    
  23:1781     24:398      25:2        27:39       29:19       31:175    
  32:1        34:11       35:58       36:1176     37:415      38:834    
  39:522      40:11       41:502      42:24       43:182      44:29     
  45:2371     46:610      47:98       49:11       50:262      51:471    
  52:1362     54:272      55:925      57:16       58:5        59:37     
  60:19       61:64       62:342      63:473      64:1505     65:804    
  66:1240     67:682      68:165      69:749      70:146      71:191    
  72:387      74:736      75:394      76:202      77:306      78:486    
  79:175      80:211      81:179      82:174      83:95       84:179    
  85:329      86:149      87:149      88:119      89:509      90:98     
  91:575      92:395      93:784      94:498      95:1084     96:167    
  97:31       98:130      99:151     100:22      101:22      102:214    
 103:1102    104:710     105:113     106:64      107:213     108:297    
 109:257     110:34      111:1792    112:449     113:43      114:34     
 115:15      116:32      117:955     118:119     119:99      120:1090   
 121:17      122:114     123:60      124:59      125:12      128:357    
 129:276     130:489     131:790     132:500     133:267     134:335    
 135:68      136:363     137:402     138:777     139:388     140:591    
 141:324     142:697     143:606     144:329     145:65      146:478    
 147:311     148:594     149:496     150:290     151:562     152:535    
 153:118     154:554     155:679     156:443     157:273     158:318    
 159:591     160:328     161:414     162:690     163:292     164:631    
 165:363     166:96      167:400     168:987     169:153     170:1297   
 171:67      172:887     173:621     174:105     175:41      176:398    
 177:743     178:309     179:505     180:46      181:974     182:79     
 183:854     184:198     185:2333    186:1047    187:779     188:478    
 189:1100    190:2888    191:197     192:3831    193:1266    194:823    
 195:574     196:380     197:385     198:1928    199:3450    200:2650   
 201:2453    202:1068    203:613     204:1743    205:1662    206:1140   
 207:1067    208:979     209:1456    210:343     211:431     212:704    
 213:557     214:1014    215:42      216:1689    217:283     218:525    
 219:22      220:29      221:302     222:22      223:635    

End of report


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