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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 12 20:16:30 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 12 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:                              189177
    Prefixes after maximum aggregation (per Origin AS):           83600
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      104188
    Number of IPv4 prefixes with a valid ROA:                     73523
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         115634
Total ASes present in the Internet Routing Table:                 15941
    Prefixes per ASN:                                             11.87
Origin-only ASes present in the Internet Routing Table:           13765
Origin ASes announcing only one prefix:                            6313
Transit ASes present in the Internet Routing Table:                2176
Transit-only ASes present in the Internet Routing Table:            594
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:                                      26
    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:                      44469
Number of 32-bit ASNs visible in the Routing Table:                5716
Prefixes from 32-bit ASNs in the Routing Table:                   18960
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:             97
Number of addresses announced to Internet:                   1112586657
    Equivalent to 66 /8s, 80 /16s and 185 /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:       55179

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

Prefixes being announced by APNIC Region ASes:                    29997
    Total APNIC prefixes after maximum aggregation:                6954
    APNIC Deaggregation factor:                                    4.31
Prefixes being announced from the APNIC address blocks:           29549
    Unique aggregates announced from the APNIC address blocks:     7967
APNIC Region origin ASes present in the Internet Routing Table:    1147
    APNIC Prefixes per ASN:                                       25.76
APNIC Region origin ASes announcing only one prefix:                459
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    500
Number of APNIC addresses announced to Internet:              200184944
    Equivalent to 11 /8s, 238 /16s and 148 /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:                     88493
    Total ARIN prefixes after maximum aggregation:                48249
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87184
    Unique aggregates announced from the ARIN address blocks:     54261
ARIN Region origin ASes present in the Internet Routing Table:     7445
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                3216
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:    1534
Number of ARIN addresses announced to Internet:               653909345
    Equivalent to 38 /8s, 249 /16s and 221 /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:                     35847
    Total RIPE prefixes after maximum aggregation:                16902
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            36580
    Unique aggregates announced from the RIPE address blocks:     24347
RIPE Region origin ASes present in the Internet Routing Table:     3432
    RIPE Prefixes per ASN:                                        10.66
RIPE Region origin ASes announcing only one prefix:                1467
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:    1261
Number of RIPE addresses announced to Internet:               159595984
    Equivalent to 9 /8s, 131 /16s and 61 /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:                   29965
    Total LACNIC prefixes after maximum aggregation:               9559
    LACNIC Deaggregation factor:                                   3.13
Prefixes being announced from the LACNIC address blocks:          29655
    Unique aggregates announced from the LACNIC address blocks:   14579
LACNIC Region origin ASes present in the Internet Routing Table:   3016
    LACNIC Prefixes per ASN:                                       9.83
LACNIC Region origin ASes announcing only one prefix:              1080
LACNIC Region transit ASes present in the Internet Routing Table:   602
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:  2318
Number of LACNIC addresses announced to Internet:              71522304
    Equivalent to 4 /8s, 67 /16s and 88 /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:                   4651
    Total AfriNIC prefixes after maximum aggregation:              1759
    AfriNIC Deaggregation factor:                                  2.64
Prefixes being announced from the AfriNIC address blocks:          6112
    Unique aggregates announced from the AfriNIC address blocks:   2944
AfriNIC Region origin ASes present in the Internet Routing Table:   213
    AfriNIC Prefixes per ASN:                                     28.69
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   67
Average AfriNIC Region AS path length visible:                      5.8
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  103
Number of AfriNIC addresses announced to Internet:             27286272
    Equivalent to 1 /8s, 160 /16s and 91 /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        1483        874     110  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         724      10640     154  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        9915      11373    3518  AMAZON-02, US
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2798       3471    1315  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1785        115    1243  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1370        390     624  DNIC-ASBLK-05800-06055, US
  7979        1014         67     200  SERVERS-COM, US
   855         962        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        1324        110    1068  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         805       1030     146  SAUDINETSTC-AS, SA
  8376         718         60      22  Jordan Data Communications, JO
  8452         621       1841      11  TE-AS TE-AS, EG
 51167         508         98     213  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         407        406      84  MOBILY-AS Etihad Etisalat Company Mobil
 13046         389         34       5  ASN-ISKON, HR

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        5150       1417     768  UNINET, MX
  3816        1320        789     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1098        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         490         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
 29571         719         60     177  ORANGE-COTE-IVOIRE, CI
 24863         640        212     261  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         205        257     171  ETISALAT-MISR, EG
 36914         203         82       3  KENET-AS, KE
 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        9915      11373    3518  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5150       1417     768  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2798       3471    1315  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1785        115    1243  USDA-1, US
   209        1701       4898     313  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        5150         4382  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2798         1483  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1320         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      /12:92      
/13:124     /14:355     /15:690     /16:5922    /17:2480    /18:2561    
/19:5359    /20:8609    /21:10638   /22:19802   /23:20505   /24:111726  
/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        2800        5150  UNINET, MX
 16509        2108        9915  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         732         873  BRSPD-PUBLIC, US
  6147         693        1098  Telefonica del Peru S.A.A., PE
  8376         567         718  Jordan Data Communications, JO

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

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

   1:12        2:375       3:342       5:1089      6:150       7:5      
   8:614      11:171      12:656      13:308      14:101      15:282    
  16:178      17:6        18:739      20:34       21:4        22:188    
  23:1871     24:730      25:2        27:27       29:19       31:202    
  32:1        34:11       35:57       36:1174     37:412      38:966    
  39:524      40:11       41:611      42:13       43:180      44:37     
  45:2405     46:629      47:102      49:13       50:271      51:474    
  52:1363     54:274      55:999      57:16       58:7        59:35     
  60:19       61:62       62:329      63:496      64:1538     65:817    
  66:1265     67:820      68:171      69:834      70:148      71:196    
  72:459      74:726      75:394      76:209      77:317      78:509    
  79:174      80:195      81:204      82:181      83:106      84:178    
  85:365      86:154      87:150      88:116      89:520      90:98     
  91:556      92:420      93:795      94:492      95:1099     96:371    
  97:31       98:136      99:151     100:23      101:20      102:277    
 103:1090    104:760     105:144     106:3       107:211     108:309    
 109:263     110:36      111:1789    112:445     113:47      114:32     
 115:15      116:33      117:962     118:71      119:103     120:1076   
 121:18      122:86      123:23      124:58      125:12      128:363    
 129:292     130:514     131:820     132:501     133:195     134:334    
 135:72      136:350     137:416     138:769     139:400     140:595    
 141:323     142:710     143:604     144:332     145:64      146:492    
 147:392     148:615     149:484     150:291     151:580     152:582    
 153:119     154:494     155:684     156:442     157:284     158:314    
 159:685     160:990     161:462     162:704     163:286     164:643    
 165:393     166:98      167:402     168:909     169:147     170:1244   
 171:63      172:910     173:796     174:185     175:41      176:414    
 177:713     178:378     179:503     180:50      181:929     182:25     
 183:827     184:313     185:2348    186:816     187:729     188:587    
 189:1072    190:2744    191:183     192:3886    193:1272    194:838    
 195:568     196:408     197:343     198:1987    199:3632    200:2421   
 201:2425    202:1075    203:622     204:1777    205:1698    206:1161   
 207:1157    208:936     209:1447    210:341     211:431     212:687    
 213:555     214:1003    215:42      216:1773    217:291     218:524    
 219:24      220:29      221:302     222:22      223:636    

End of report


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