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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 14 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 14 May, 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:                              188723
    Prefixes after maximum aggregation (per Origin AS):           83659
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      104246
    Number of IPv4 prefixes with a valid ROA:                     73267
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         115438
Total ASes present in the Internet Routing Table:                 15933
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           13763
Origin ASes announcing only one prefix:                            6302
Transit ASes present in the Internet Routing Table:                2170
Transit-only ASes present in the Internet Routing Table:            593
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               224
    Number of instances of unregistered ASNs:                       224
Number of 32-bit ASNs allocated by the RIRs:                      44477
Number of 32-bit ASNs visible in the Routing Table:                5691
Prefixes from 32-bit ASNs in the Routing Table:                   18945
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:                   1109929633
    Equivalent to 66 /8s, 40 /16s and 46 /24s
    Percentage of available address space announced:               30.0
    Percentage of allocated address space announced:               30.0
    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:       54865

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

Prefixes being announced by APNIC Region ASes:                    30031
    Total APNIC prefixes after maximum aggregation:                6968
    APNIC Deaggregation factor:                                    4.31
Prefixes being announced from the APNIC address blocks:           29573
    Unique aggregates announced from the APNIC address blocks:     7995
APNIC Region origin ASes present in the Internet Routing Table:    1146
    APNIC Prefixes per ASN:                                       25.81
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:                        7.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    501
Number of APNIC addresses announced to Internet:              200207728
    Equivalent to 11 /8s, 238 /16s and 237 /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:                     88491
    Total ARIN prefixes after maximum aggregation:                48277
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87177
    Unique aggregates announced from the ARIN address blocks:     54273
ARIN Region origin ASes present in the Internet Routing Table:     7442
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                3218
ARIN Region transit ASes present in the Internet Routing Table:     670
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:    1538
Number of ARIN addresses announced to Internet:               651114337
    Equivalent to 38 /8s, 207 /16s and 55 /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:                     35977
    Total RIPE prefixes after maximum aggregation:                16909
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36714
    Unique aggregates announced from the RIPE address blocks:     24449
RIPE Region origin ASes present in the Internet Routing Table:     3456
    RIPE Prefixes per ASN:                                        10.62
RIPE Region origin ASes announcing only one prefix:                1465
RIPE Region transit ASes present in the Internet Routing Table:     534
Average RIPE Region AS path length visible:                         6.0
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1264
Number of RIPE addresses announced to Internet:               159796688
    Equivalent to 9 /8s, 134 /16s and 77 /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:                   29052
    Total LACNIC prefixes after maximum aggregation:               9461
    LACNIC Deaggregation factor:                                   3.07
Prefixes being announced from the LACNIC address blocks:          28734
    Unique aggregates announced from the LACNIC address blocks:   14318
LACNIC Region origin ASes present in the Internet Routing Table:   2972
    LACNIC Prefixes per ASN:                                       9.67
LACNIC Region origin ASes announcing only one prefix:              1065
LACNIC Region transit ASes present in the Internet Routing Table:   590
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:  2269
Number of LACNIC addresses announced to Internet:              70817536
    Equivalent to 4 /8s, 56 /16s and 151 /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:                   4948
    Total AfriNIC prefixes after maximum aggregation:              1867
    AfriNIC Deaggregation factor:                                  2.65
Prefixes being announced from the AfriNIC address blocks:          6431
    Unique aggregates announced from the AfriNIC address blocks:   3124
AfriNIC Region origin ASes present in the Internet Routing Table:   230
    AfriNIC Prefixes per ASN:                                     27.96
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   72
Average AfriNIC Region AS path length visible:                      5.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  119
Number of AfriNIC addresses announced to Internet:             27906304
    Equivalent to 1 /8s, 169 /16s and 209 /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        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1482        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         723      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         600       2162     464  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         450        490     109  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        9884      11372    3546  AMAZON-02, US
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2813       3476    1324  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1799        116    1251  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1347        387     612  DNIC-ASBLK-05800-06055, US
  7979        1014         67     200  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA

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        1296        108    1048  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         815       1044     145  SAUDINETSTC-AS, SA
  8376         721         60      22  Jordan Data Communications, JO
  8452         634       1841      11  TE-AS TE-AS, EG
 51167         508         98     213  CONTABO, DE
 35819         436        436      74  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 57878         381         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        4469       1253     752  UNINET, MX
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1099        369      22  Telefonica del Peru S.A.A., PE
 11830        1042        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         539       2819      83  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         491         66     214  Mega Cable, S.A. de C.V., MX
 27983         230         23     124  Red Intercable Digital S.A., AR
 22724         229         15     100  PUNTONET S.A., EC

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         791        234     314  LINKdotNET-AS, EG
 29571         719         60     177  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36914         249         82       3  KENET-AS, KE
 36992         205        257     171  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        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        9884      11372    3546  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 39891        4758        286      60  ALJAWWALSTC-AS, SA
  8151        4469       1253     752  UNINET, MX
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2813       3476    1324  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1799        116    1251  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US

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        9651         9590  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        4469         3717  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2813         1489  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1482         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1321         1126  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
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

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      /11:30      /12:91      
/13:124     /14:354     /15:690     /16:5922    /17:2478    /18:2559    
/19:5298    /20:8535    /21:10593   /22:19851   /23:20352   /24:111562  
/25:75      /26:49      /27:69      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2352        4469  UNINET, MX
 16509        2103        9884  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         736         877  BRSPD-PUBLIC, US
  6147         694        1099  Telefonica del Peru S.A.A., PE
  8376         568         721  Jordan Data Communications, JO

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

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

   1:11        2:370       3:342       5:1102      6:150       7:5      
   8:612      11:171      12:656      13:306      14:101      15:282    
  16:175      17:6        18:738      20:34       21:4        22:188    
  23:1864     24:734      25:2        27:27       29:19       31:212    
  32:1        34:11       35:57       36:1174     37:441      38:979    
  39:524      40:11       41:693      42:13       43:182      44:35     
  45:2396     46:629      47:101      49:9        50:271      51:477    
  52:1363     54:273      55:994      57:16       58:7        59:36     
  60:19       61:62       62:335      63:496      64:1537     65:818    
  66:1273     67:832      68:171      69:832      70:148      71:195    
  72:460      74:728      75:394      76:209      77:317      78:514    
  79:173      80:202      81:204      82:176      83:108      84:180    
  85:366      86:155      87:148      88:116      89:504      90:98     
  91:598      92:413      93:796      94:494      95:1105     96:367    
  97:32       98:136      99:151     100:23      101:20      102:291    
 103:1106    104:760     105:126     106:3       107:198     108:308    
 109:280     110:36      111:1789    112:445     113:46      114:32     
 115:16      116:33      117:962     118:71      119:104     120:1076   
 121:18      122:86      123:23      124:58      125:12      128:361    
 129:288     130:516     131:808     132:496     133:195     134:334    
 135:73      136:370     137:416     138:757     139:401     140:596    
 141:319     142:710     143:583     144:333     145:65      146:493    
 147:391     148:627     149:495     150:292     151:576     152:582    
 153:119     154:505     155:683     156:445     157:286     158:316    
 159:685     160:988     161:463     162:691     163:289     164:648    
 165:393     166:98      167:401     168:893     169:147     170:1240   
 171:63      172:912     173:795     174:186     175:41      176:389    
 177:706     178:383     179:504     180:55      181:925     182:25     
 183:826     184:311     185:2383    186:799     187:647     188:578    
 189:975     190:2744    191:185     192:3881    193:1259    194:832    
 195:570     196:431     197:346     198:1998    199:3642    200:2402   
 201:2270    202:1068    203:626     204:1776    205:1701    206:1161   
 207:1159    208:934     209:1442    210:342     211:431     212:687    
 213:547     214:1000    215:42      216:1772    217:319     218:524    
 219:24      220:29      221:302     222:22      223:636    

End of report


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