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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 19 22:43:44 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 19 Sep, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                             1007546
    Prefixes after maximum aggregation (per Origin AS):          370267
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      466520
Total ASes present in the Internet Routing Table:                 76329
    Prefixes per ASN:                                             13.20
Origin-only ASes present in the Internet Routing Table:           65494
Origin ASes announcing only one prefix:                           26169
Transit ASes present in the Internet Routing Table:               10835
Transit-only ASes present in the Internet Routing Table:            528
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1082
    Number of instances of unregistered ASNs:                      1093
Number of 32-bit ASNs allocated by the RIRs:                      45387
Number of 32-bit ASNs visible in the Routing Table:               37150
Prefixes from 32-bit ASNs in the Routing Table:                  203168
Number of bogon 32-bit ASNs visible in the Routing Table:           102
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            577
Number of addresses announced to Internet:                   3037104836
    Equivalent to 181 /8s, 6 /16s and 138 /24s
    Percentage of available address space announced:               82.0
    Percentage of allocated address space announced:               82.0
    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:      342483

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

Prefixes being announced by APNIC Region ASes:                   260053
    Total APNIC prefixes after maximum aggregation:               75392
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          251750
    Unique aggregates announced from the APNIC address blocks:   100641
APNIC Region origin ASes present in the Internet Routing Table:   14353
    APNIC Prefixes per ASN:                                       17.54
APNIC Region origin ASes announcing only one prefix:               4362
APNIC Region transit ASes present in the Internet Routing Table:   1904
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9783
Number of APNIC addresses announced to Internet:              762178880
    Equivalent to 45 /8s, 109 /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:                    289991
    Total ARIN prefixes after maximum aggregation:               127781
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293274
    Unique aggregates announced from the ARIN address blocks:    135141
ARIN Region origin ASes present in the Internet Routing Table:    19187
    ARIN Prefixes per ASN:                                        15.29
ARIN Region origin ASes announcing only one prefix:                6958
ARIN Region transit ASes present in the Internet Routing Table:    1987
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5014
Number of ARIN addresses announced to Internet:              1267409730
    Equivalent to 75 /8s, 139 /16s and 35 /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:                    282974
    Total RIPE prefixes after maximum aggregation:               130964
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           279470
    Unique aggregates announced from the RIPE address blocks:    167296
RIPE Region origin ASes present in the Internet Routing Table:    28802
    RIPE Prefixes per ASN:                                         9.70
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    3927
Average RIPE Region AS path length visible:                         3.5
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12027
Number of RIPE addresses announced to Internet:               723525410
    Equivalent to 43 /8s, 32 /16s and 31 /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:                  137541
    Total LACNIC prefixes after maximum aggregation:              28933
    LACNIC Deaggregation factor:                                   4.75
Prefixes being announced from the LACNIC address blocks:         135431
    Unique aggregates announced from the LACNIC address blocks:   48655
LACNIC Region origin ASes present in the Internet Routing Table:  11169
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2129
LACNIC Region transit ASes present in the Internet Routing Table:  2500
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        53
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9073
Number of LACNIC addresses announced to Internet:             177799712
    Equivalent to 10 /8s, 153 /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:                  35905
    Total AfriNIC prefixes after maximum aggregation:              6520
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         47043
    Unique aggregates announced from the AfriNIC address blocks:  14314
AfriNIC Region origin ASes present in the Internet Routing Table:  1889
    AfriNIC Prefixes per ASN:                                     24.90
AfriNIC Region origin ASes announcing only one prefix:              638
AfriNIC Region transit ASes present in the Internet Routing Table:  353
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1253
Number of AfriNIC addresses announced to Internet:            105889024
    Equivalent to 6 /8s, 79 /16s and 189 /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       10046       8750      71  CHINAMOBILE-CN China Mobile Communication
  7545        5763        840     659  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5012       4192      74  ERX-CERNET-BKB China Education and Resear
 18403        4363        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3988       1331      25  VIETEL-AS-AP Viettel Group, VN
  9498        3792        508     261  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3644       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3262       1841     105  VNPT-AS-VN VNPT Corp, VN
 24560        2817        848     466  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2211        434     196  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10724      11811    3768  AMAZON-02, US
   174        5812       8778     905  COGENT-174, US
 11492        4643        309     546  CABLEONE, US
  7155        4168        287      88  VIASAT-SP-BACKBONE, US
  6327        3602       1320      79  SHAW, CA
   749        3483      55081    2706  DNIC-AS-00749, US
 22773        3417       3051     188  ASN-CXA-ALL-CCI-22773-RDC, US
  7018        3101      23686    1943  ATT-INTERNET4, US
 16625        2884       1277    2145  AKAMAI-AS, US
396982        2827       3603     427  GOOGLE-CLOUD-PLATFORM, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9325       1253    1821  TTNET, TR
 12479        7640       1708     145  UNI2-AS, ES
 39891        4602        278      58  ALJAWWALSTC-AS, SA
 20940        3875       3396     141  AKAMAI-ASN1, NL
  9009        3699        314    1884  M247, RO
 12389        2937       2295     889  ROSTELECOM-AS, RU
 34984        2376        362     578  TELLCOM-AS, TR
  8452        1890       1852      14  TE-AS TE-AS, EG
212238        1794        129    1329  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11971       3270     591  UNINET, MX
 10620        3543        494     935  Telmex Colombia S.A., CO
 13999        2554        534     365  Mega Cable, S.A. de C.V., MX
 11830        2011        369      64  Instituto Costarricense de Electricidad y
 28573        1580       2309     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        782     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
 28202        1152         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1148        374     163  Axtel, S.A.B. de C.V., MX
  6147        1104        369      22  Telefonica del Peru S.A.A., PE
 22884        1070         98     374  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1633        310      36  Telkom-Internet, ZA
 24835        1622        593      29  RAYA-AS, EG
 24863        1609        389      16  LINKdotNET-AS, EG
 36992        1411       1519     282  ETISALAT-MISR, EG
 29571        1336         85      65  ORANGE-COTE-IVOIRE, CI
 36903        1249        554      96  MT-MPLS, MA
 36935         975        523      48  Vodafone-, EG
 20011         561        142     266  INTERNET-SOLUTIONS, ZA
  6713         556       1861      35  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11971       3270     591  UNINET, MX
 16509       10724      11811    3768  AMAZON-02, US
  9808       10046       8750      71  CHINAMOBILE-CN China Mobile Communication
 47331        9325       1253    1821  TTNET, TR
 12479        7640       1708     145  UNI2-AS, ES
   174        5812       8778     905  COGENT-174, US
  7545        5763        840     659  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5012       4192      74  ERX-CERNET-BKB China Education and Resear
 11492        4643        309     546  CABLEONE, US
 39891        4602        278      58  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808       10046         9975  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9325         7504  TTNET, TR
 12479        7640         7495  UNI2-AS, ES
 16509       10724         6956  AMAZON-02, US
  7545        5763         5104  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5012         4938  ERX-CERNET-BKB China Education and Research Net
   174        5812         4907  COGENT-174, US
 39891        4602         4544  ALJAWWALSTC-AS, SA
 18403        4363         4340  FPT-AS-AP FPT Telecom Company, VN
 11492        4643         4097  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.137.192.0/24      Origin:     31798  DATACITY, CA
23.137.192.0/24     Transit:     21949  BEANFIELD, CA
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:37      /11:92      /12:296     
/13:582     /14:1192    /15:2131    /16:13335   /17:8392    /18:14100   
/19:25159   /20:45584   /21:54205   /22:114871  /23:107763  /24:614757  
/25:663     /26:646     /27:1187    /28:304     /29:517     /30:498     
/31:329     /32:873     

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

   ASN  No of nets  Total ann.  Description
 47331        8417        9325  TTNET, TR
 12479        6684        7640  UNI2-AS, ES
  8151        6099       11971  UNINET, MX
 11492        3553        4643  CABLEONE, US
  6327        3397        3602  SHAW, CA
 39891        3364        4602  ALJAWWALSTC-AS, SA
  7155        3112        4168  VIASAT-SP-BACKBONE, US
 22773        2549        3417  ASN-CXA-ALL-CCI-22773-RDC, US
 10620        2172        3543  Telmex Colombia S.A., CO
 30036        2171        2509  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2313      2:1640      3:475       4:24        5:4797      6:161    
   7:6         8:1610      9:1        11:172      12:1430     13:371    
  14:2425     15:328      16:259      17:363      18:886      20:419    
  21:4        22:188      23:6923     24:3076     25:2        27:2706   
  29:19       31:2801     32:63       34:69       35:143      36:2384   
  37:4630     38:9926     39:918      40:154      41:4649     42:2044   
  43:2473     44:334      45:19076    46:4724     47:301      49:1992   
  50:1895     51:582      52:1613     54:317      55:964      56:8      
  57:228      58:2252     59:1274     60:1076     61:2883     62:2891   
  63:1877     64:5652     65:2314     66:4799     67:3090     68:1350   
  69:4034     70:1321     71:579      72:2938     74:2813     75:1669   
  76:622      77:2692     78:4207     79:1651     80:2237     81:2184   
  82:1762     83:1418     84:1790     85:4061     86:1012     87:2372   
  88:3203     89:4439     90:682      91:8385     92:2509     93:2782   
  94:3863     95:5511     96:1278     97:325      98:1077     99:737    
 100:73      101:1181    102:3788    103:32465   104:4495    105:2128   
 106:993     107:2402    108:1178    109:4017    110:2158    111:3278   
 112:2077    113:1824    114:1907    115:2116    116:1995    117:2668   
 118:2875    119:2019    120:1906    121:1439    122:2718    123:2235   
 124:1694    125:2863    126:64      128:1473    129:1011    130:1269   
 131:2055    132:939     133:428     134:1517    135:352     136:1214   
 137:1126    138:3241    139:1521    140:1464    141:1461    142:1789   
 143:1757    144:1031    145:376     146:2143    147:2047    148:2575   
 149:2885    150:1070    151:1365    152:2136    153:572     154:6896   
 155:1509    156:2475    157:1854    158:1197    159:2452    160:3197   
 161:1742    162:3592    163:1768    164:2005    165:2185    166:1315   
 167:1866    168:4398    169:806     170:5458    171:1057    172:3941   
 173:3130    174:905     175:1260    176:3600    177:6322    178:3742   
 179:2694    180:2499    181:4015    182:3328    183:2064    184:2270   
 185:21410   186:5657    187:5033    188:4394    189:4571    190:9887   
 191:2105    192:11131   193:9314    194:7662    195:5559    196:3385   
 197:3187    198:6092    199:8167    200:8798    201:6599    202:10754  
 203:10559   204:4654    205:3725    206:4568    207:3724    208:4213   
 209:5225    210:4871    211:2673    212:4555    213:3791    214:1071   
 215:62      216:6742    217:3003    218:1417    219:566     220:2044   
 221:1050    222:877     223:2250   

End of report


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