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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 10 20:16:27 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 10 Mar, 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:                              182920
    Prefixes after maximum aggregation (per Origin AS):           80038
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100510
    Number of IPv4 prefixes with a valid ROA:                     68782
    Number of IPv4 prefixes with an invalid ROA:                     80
    Number of IPv4 prefixes with no ROA:                         114058
Total ASes present in the Internet Routing Table:                 15468
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           13360
Origin ASes announcing only one prefix:                            6099
Transit ASes present in the Internet Routing Table:                2108
Transit-only ASes present in the Internet Routing Table:            586
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:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               212
    Number of instances of unregistered ASNs:                       212
Number of 32-bit ASNs allocated by the RIRs:                      43818
Number of 32-bit ASNs visible in the Routing Table:                5578
Prefixes from 32-bit ASNs in the Routing Table:                   18510
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:             82
Number of addresses announced to Internet:                   1034326969
    Equivalent to 61 /8s, 166 /16s and 147 /24s
    Percentage of available address space announced:               27.9
    Percentage of allocated address space announced:               27.9
    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:       53466

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

Prefixes being announced by APNIC Region ASes:                    28839
    Total APNIC prefixes after maximum aggregation:                6541
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28550
    Unique aggregates announced from the APNIC address blocks:     7580
APNIC Region origin ASes present in the Internet Routing Table:    1093
    APNIC Prefixes per ASN:                                       26.12
APNIC Region origin ASes announcing only one prefix:                446
APNIC Region transit ASes present in the Internet Routing Table:    179
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    470
Number of APNIC addresses announced to Internet:              171197832
    Equivalent to 10 /8s, 52 /16s and 69 /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:                     82023
    Total ARIN prefixes after maximum aggregation:                44650
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            80939
    Unique aggregates announced from the ARIN address blocks:     50274
ARIN Region origin ASes present in the Internet Routing Table:     7182
    ARIN Prefixes per ASN:                                        11.27
ARIN Region origin ASes announcing only one prefix:                3072
ARIN Region transit ASes present in the Internet Routing Table:     640
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:    1466
Number of ARIN addresses announced to Internet:               605150049
    Equivalent to 36 /8s, 17 /16s and 219 /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:                     34978
    Total RIPE prefixes after maximum aggregation:                16585
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35407
    Unique aggregates announced from the RIPE address blocks:     23536
RIPE Region origin ASes present in the Internet Routing Table:     3266
    RIPE Prefixes per ASN:                                        10.84
RIPE Region origin ASes announcing only one prefix:                1394
RIPE Region transit ASes present in the Internet Routing Table:     502
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1201
Number of RIPE addresses announced to Internet:               155352272
    Equivalent to 9 /8s, 66 /16s and 124 /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:                   32077
    Total LACNIC prefixes after maximum aggregation:              10202
    LACNIC Deaggregation factor:                                   3.14
Prefixes being announced from the LACNIC address blocks:          31849
    Unique aggregates announced from the LACNIC address blocks:   15795
LACNIC Region origin ASes present in the Internet Routing Table:   3039
    LACNIC Prefixes per ASN:                                      10.48
LACNIC Region origin ASes announcing only one prefix:              1096
LACNIC Region transit ASes present in the Internet Routing Table:   612
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:  2330
Number of LACNIC addresses announced to Internet:              73712384
    Equivalent to 4 /8s, 100 /16s and 195 /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:                   4791
    Total AfriNIC prefixes after maximum aggregation:              1885
    AfriNIC Deaggregation factor:                                  2.54
Prefixes being announced from the AfriNIC address blocks:          6093
    Unique aggregates announced from the AfriNIC address blocks:   3245
AfriNIC Region origin ASes present in the Internet Routing Table:   213
    AfriNIC Prefixes per ASN:                                     28.61
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   65
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  111
Number of AfriNIC addresses announced to Internet:             28866816
    Equivalent to 1 /8s, 184 /16s and 121 /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        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1436        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         434        488     105  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        9633      11321    3371  AMAZON-02, US
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2899       3645    1397  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1450        394     645  DNIC-ASBLK-05800-06055, US
  4155        1404         91    1075  USDA-1, US
  7979         997         66     198  SERVERS-COM, US
   855         958        255      82  CANET-ASN-4, CA
 16625         878        408     810  AKAMAI-AS, 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        4617        278      64  ALJAWWALSTC-AS, SA
 20940        1284        109    1051  AKAMAI-ASN1, NL
  3215         897       4823     295  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         719         60      22  Jordan Data Communications, JO
  8452         591       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 35819         426        431      77  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 34984         415         60     341  TELLCOM-AS, TR

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        5342       1522     929  UNINET, MX
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         993       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         481         66     207  Mega Cable, S.A. de C.V., MX
 28343         309         58      95  UNIFIQUE TELECOMUNICACOES SA, BR

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         686        240     189  LINKdotNET-AS, EG
 29571         479         35     246  ORANGE-COTE-IVOIRE, CI
 36992         474        671     291  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         205         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         161         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

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        9633      11321    3371  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5342       1522     929  UNINET, MX
 39891        4617        278      64  ALJAWWALSTC-AS, SA
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2899       3645    1397  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
  5972        1450        394     645  DNIC-ASBLK-05800-06055, 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        9625         9574  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4617         4553  ALJAWWALSTC-AS, SA
  8151        5342         4413  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2899         1502  DNIC-ASBLK-00306-00371, US
 56047        1470         1436  CMNET-HUNAN-AP China Mobile communications corp
   209        1707         1386  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1436         1363  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1450         1340  CMNET-JIANGSU-AP China Mobile communications co
  3816        1312         1119  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
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.92.0/22            7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.244.0/23           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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      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

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       /9:4       /10:14      /11:27      /12:73      
/13:111     /14:335     /15:671     /16:5372    /17:2508    /18:2592    
/19:5317    /20:8634    /21:10725   /22:19565   /23:20103   /24:106601  
/25:80      /26:51      /27:67      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3367        4617  ALJAWWALSTC-AS, SA
  8151        2943        5342  UNINET, MX
 16509        2033        9633  AMAZON-02, US
   209         963        1707  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
  6147         686        1088  Telefonica del Peru S.A.A., PE
 19901         685         824  BRSPD-PUBLIC, US
  8376         560         719  Jordan Data Communications, JO
  7979         446         997  SERVERS-COM, US

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

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

   1:8         2:470       3:275       5:1076      6:148       7:5      
   8:621      11:171      12:260      13:317      14:99       15:281    
  16:174      17:6        18:689      20:32       21:4        22:188    
  23:1812     24:394      25:2        27:17       29:19       31:168    
  32:1        34:3        35:53       36:1113     37:551      38:839    
  39:523      40:8        41:549      42:21       43:185      44:31     
  45:2262     46:571      47:100      49:10       50:250      51:404    
  52:1351     54:269      55:882      57:16       58:6        59:34     
  60:19       61:63       62:338      63:459      64:1438     65:798    
  66:1214     67:677      68:162      69:714      70:149      71:191    
  72:374      74:721      75:389      76:206      77:266      78:531    
  79:162      80:194      81:174      82:168      83:97       84:181    
  85:314      86:146      87:146      88:100      89:476      90:98     
  91:511      92:396      93:778      94:478      95:1090     96:165    
  97:30       98:124      99:145     100:21      101:28      102:182    
 103:1069    104:681     105:146     106:2       107:220     108:295    
 109:228     110:29      111:1747    112:447     113:40      114:32     
 115:11      116:33      117:945     118:52      119:94      120:1089   
 121:30      122:81      123:22      124:57      125:12      128:381    
 129:280     130:510     131:774     132:497     133:264     134:322    
 135:68      136:354     137:446     138:729     139:403     140:566    
 141:325     142:690     143:572     144:317     145:62      146:459    
 147:319     148:609     149:507     150:340     151:536     152:371    
 153:118     154:434     155:674     156:365     157:221     158:316    
 159:529     160:626     161:419     162:707     163:294     164:616    
 165:377     166:100     167:377     168:960     169:154     170:1208   
 171:62      172:878     173:617     174:107     175:46      176:416    
 177:698     178:273     179:494     180:50      181:998     182:12     
 183:853     184:196     185:2182    186:1026    187:768     188:479    
 189:1080    190:2932    191:171     192:3677    193:1204    194:778    
 195:553     196:435     197:462     198:1904    199:3198    200:2724   
 201:2569    202:921     203:603     204:1753    205:1653    206:1126   
 207:1051    208:981     209:1402    210:290     211:422     212:696    
 213:560     214:1061    215:37      216:1677    217:284     218:515    
 219:19      220:31      221:294     222:18      223:626    

End of report


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