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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 27 21:40:05 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Thu 27 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              974615
    Prefixes after maximum aggregation (per Origin AS):          372950
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476191
    Number of IPv4 prefixes with a valid ROA:                    533827
    Number of IPv4 prefixes with an invalid ROA:                    189
    Number of IPv4 prefixes with no ROA:                         440599
Total ASes present in the Internet Routing Table:                 76675
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65723
Origin ASes announcing only one prefix:                           26926
Transit ASes present in the Internet Routing Table:               10952
Transit-only ASes present in the Internet Routing Table:            540
Paths with bogon ASNs present in the IPv4 Routing Table:            348
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1126
    Number of instances of unregistered ASNs:                      1145
Number of 32-bit ASNs allocated by the RIRs:                      46208
Number of 32-bit ASNs visible in the Routing Table:               37870
Prefixes from 32-bit ASNs in the Routing Table:                  199046
Number of bogon 32-bit ASNs visible in the Routing Table:            68
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            469
Number of addresses announced to Internet:                   3108173056
    Equivalent to 185 /8s, 66 /16s and 245 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319549

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

Prefixes being announced by APNIC Region ASes:                   255155
    Total APNIC prefixes after maximum aggregation:               76016
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247209
    Unique aggregates announced from the APNIC address blocks:   102629
APNIC Region origin ASes present in the Internet Routing Table:   14500
    APNIC Prefixes per ASN:                                       17.05
APNIC Region origin ASes announcing only one prefix:               4442
APNIC Region transit ASes present in the Internet Routing Table:   1944
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10008
Number of APNIC addresses announced to Internet:              748820480
    Equivalent to 44 /8s, 162 /16s and 24 /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, 131072-155961
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:                    287488
    Total ARIN prefixes after maximum aggregation:               127866
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289104
    Unique aggregates announced from the ARIN address blocks:    136085
ARIN Region origin ASes present in the Internet Routing Table:    19253
    ARIN Prefixes per ASN:                                        15.02
ARIN Region origin ASes announcing only one prefix:                7050
ARIN Region transit ASes present in the Internet Routing Table:    1995
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5174
Number of ARIN addresses announced to Internet:              1348356608
    Equivalent to 80 /8s, 94 /16s and 74 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    272555
    Total RIPE prefixes after maximum aggregation:               132370
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270110
    Unique aggregates announced from the RIPE address blocks:    173120
RIPE Region origin ASes present in the Internet Routing Table:    28843
    RIPE Prefixes per ASN:                                         9.36
RIPE Region origin ASes announcing only one prefix:               12056
RIPE Region transit ASes present in the Internet Routing Table:    3982
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12273
Number of RIPE addresses announced to Internet:               732361728
    Equivalent to 43 /8s, 166 /16s and 244 /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,
                        53/8,  57/8,  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:                  123292
    Total LACNIC prefixes after maximum aggregation:              29174
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120220
    Unique aggregates announced from the LACNIC address blocks:   48901
LACNIC Region origin ASes present in the Internet Routing Table:  11205
    LACNIC Prefixes per ASN:                                      10.73
LACNIC Region origin ASes announcing only one prefix:              2679
LACNIC Region transit ASes present in the Internet Routing Table:  2467
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9146
Number of LACNIC addresses announced to Internet:             173782528
    Equivalent to 10 /8s, 91 /16s and 182 /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:                  34999
    Total AfriNIC prefixes after maximum aggregation:              6806
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         47502
    Unique aggregates announced from the AfriNIC address blocks:  15047
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     24.83
AfriNIC Region origin ASes announcing only one prefix:              699
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1269
Number of AfriNIC addresses announced to Internet:            104606976
    Equivalent to 6 /8s, 60 /16s and 45 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4330        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3260       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2839        852     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        434     192  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12780      39184    3782  AMAZON-02, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3592       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3294       8762     926  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3071       1311    2219  AKAMAI-AS, US
396982        2934       3660     452  GOOGLE-CLOUD-PLATFORM, US
 30036        2595        362     300  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7759       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4014       3395     130  AKAMAI-ASN1, NL
  9009        3753        322    1926  M247, RO
 12389        2985       2303     894  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2003        145    1480  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1490         98     749  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11778       3235     591  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2513        541     369  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1350       2436     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1165        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1162        371      22  Telefonica del Peru S.A.A., PE
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1569         99     101  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1013        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 36914         554         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12780      39184    3782  AMAZON-02, US
  8151       11778       3235     591  UNINET, MX
  9808       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7759       1714     145  UNI2-AS, ES
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4330        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11778        11187  UNINET, MX
  9808       10323        10235  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7759         7614  UNI2-AS, ES
  7545        6219         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4330         4305  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921         3895  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     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
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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
23.135.84.0/24       Origin:      2914  NTT-DATA-2914, US
23.135.84.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US

Complete listing at https://bgp.nsrc.org/REN/USP/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      /10:42      /11:92      /12:304     
/13:586     /14:1225    /15:2164    /16:13945   /17:8272    /18:13704   
/19:24570   /20:43867   /21:51892   /22:112160  /23:100973  /24:600786  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6713        7759  UNI2-AS, ES
  8151        5979       11778  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2709        3592  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2274       12780  AMAZON-02, US
 30036        2253        2595  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3545  Telmex Colombia S.A., CO

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

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

   1:2296      2:1527      3:575       4:10        5:4558      6:167    
   7:6         8:1554      9:1        11:172      12:1380     13:349    
  14:2514     15:350      16:276      17:358      18:917      20:454    
  21:4        22:188      23:7367     24:2727     25:2        27:2740   
  29:19       31:3169     32:35       34:78       35:201      36:2409   
  37:4611     38:8694     39:896      40:154      41:4178     42:1969   
  43:2530     44:354      45:18320    46:5008     47:292      49:1973   
  50:1889     51:589      52:1569     54:300      55:1082     56:9      
  57:244      58:2217     59:1196     60:1167     61:2780     62:2894   
  63:1830     64:5507     65:2120     66:4633     67:3048     68:1153   
  69:3964     70:1156     71:617      72:2881     74:2783     75:1650   
  76:611      77:2672     78:1875     79:1726     80:2203     81:2016   
  82:2724     83:1385     84:1807     85:3361     86:1028     87:2167   
  88:1316     89:4298     90:776      91:8314     92:2807     93:2882   
  94:3911     95:4263     96:1359     97:318      98:998      99:740    
 100:70      101:1117    102:3695    103:32268   104:4803    105:750    
 106:997     107:2618    108:1210    109:4098    110:2224    111:3306   
 112:2040    113:1787    114:1937    115:2161    116:2042    117:2766   
 118:2885    119:1956    120:1878    121:1360    122:2760    123:2180   
 124:1564    125:2870    126:89      128:1585    129:959     130:1278   
 131:1853    132:796     133:450     134:1534    135:329     136:1308   
 137:1243    138:2887    139:1624    140:1557    141:1473    142:1826   
 143:1619    144:1051    145:469     146:2140    147:2072    148:2582   
 149:2876    150:1235    151:1706    152:2107    153:571     154:7465   
 155:1609    156:3132    157:1900    158:1263    159:2429    160:3550   
 161:1928    162:3697    163:1857    164:1694    165:2181    166:1365   
 167:1879    168:4046    169:797     170:5070    171:1005    172:4360   
 173:3235    174:923     175:1259    176:3625    177:4674    178:3764   
 179:2223    180:2572    181:3994    182:3363    183:2064    184:2314   
 185:21492   186:5076    187:4306    188:4191    189:4188    190:9636   
 191:1530    192:11186   193:9402    194:7742    195:5524    196:3293   
 197:3626    198:6100    199:8343    200:8150    201:6296    202:10390  
 203:10605   204:4537    205:3639    206:4628    207:3500    208:4200   
 209:5174    210:4561    211:2523    212:4509    213:3748    214:1061   
 215:40      216:6562    217:3115    218:1336    219:370     220:2101   
 221:1054    222:717     223:2320   

End of report


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